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Study sets matching "simple machines mechanical"

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Study sets matching "simple machines mechanical"

19 terms
Simple Machines and Mechanical Advantage
inclined plane
screw
wedge
pulley
inclined plane
screw
19 terms
Mechanical advantage, Simple Machines
What is the mechanical advantage of an…
What is the mechanical advantage of a…
What is the mechanical advantage of a…
first-class lever
Length of incline... ----------------... Height of incline
Distance from fulcrum to input force... ----------------------... D…
Radius of the wheel... --------------------... Radius of the axle
A simple machine with its fulcrum located between the input f…
What is the mechanical advantage of an…
Length of incline... ----------------... Height of incline
What is the mechanical advantage of a…
Distance from fulcrum to input force... ----------------------... D…
10 terms
mechanical advantage and simple machines
work
simple machine
compound machine
mechanical advantage
work is done when a force causes object to move in the same d…
device that makes work easier with only 1 movement. can chang…
machine that is a combination of simple machines
number of times a machine increases the force applied to it (…
work
work is done when a force causes object to move in the same d…
simple machine
device that makes work easier with only 1 movement. can chang…
15 terms
Mechanical Advantage and Simple Machines
What's a machine?
Ideal Mechanical Advantage (IMA)
If MA> 1
If MA<1
A machine is anything that transfers energy. ... ·Work Input: th…
IMA = effort distance/resistance distance
The output force is greater than input
The output force is less than input
What's a machine?
A machine is anything that transfers energy. ... ·Work Input: th…
Ideal Mechanical Advantage (IMA)
IMA = effort distance/resistance distance
27 terms
Simple Machines and Mechanical Advantage
Effort
Force
Resistance
Mechanical Advantage
the amount of force used
a push or pull exerted on an object to change the objects vel…
the weight that is lifted
the amount by which force or motion is magnified in simple ma…
Effort
the amount of force used
Force
a push or pull exerted on an object to change the objects vel…
14 terms
Mechanical Advantage and Simple Machines
Ideal Mechanical Advantage of a pulley
Ideal Mechanical Advantage of a lever
Ideal Mechanical Advantage of a ramp
Ideal Mechanical Advantage of a screw
number of supporting strands
input lenght from fulcrum over output lenghth from fulcrum
lenghth of incline over height of incline
lenghth of thread over height of screw
Ideal Mechanical Advantage of a pulley
number of supporting strands
Ideal Mechanical Advantage of a lever
input lenght from fulcrum over output lenghth from fulcrum
27 terms
Mechanical Force & Simple machines
gravity
magnetism
magnetic field
pulley
a force of attraction between two objects
a force that may attract or repel certain materials
is the space around a magnet where the force of attraction is…
A rope wraps around a wheel. as the wheel rotates, the rope w…
gravity
a force of attraction between two objects
magnetism
a force that may attract or repel certain materials
10 terms
mechanical advantage and simple machines
work
simple machine
compound machine
mechanical advantage
work is done when a force causes object to move in the same d…
device that makes work easier with only 1 movement. can chang…
machine that is a combination of simple machines
number of times a machine increases the force applied to it (…
work
work is done when a force causes object to move in the same d…
simple machine
device that makes work easier with only 1 movement. can chang…
12 terms
Simple Machines and Mechanical Advantage
machine
work input
work output
simple machine
a device with moving parts that work together to accomplish a…
the work or energy supplied to the process (or machine)
the work or energy that comes out of the process (or machine)
an unpowered mechanical device
machine
a device with moving parts that work together to accomplish a…
work input
the work or energy supplied to the process (or machine)
13 terms
Simple Machines Mechanical Advantage
Inclined Plane
Wedge
Screw
Lever
Length of incline/height of incline
Length of wedge/width of wedge
Length around threads/length of screw
Distance from fulcrum to input force/distance from fulcrum to…
Inclined Plane
Length of incline/height of incline
Wedge
Length of wedge/width of wedge
10 terms
Simple Machines and Mechanical Advantage
Purpose of Simple Machines
Pulley
Lever
Wedge
They make work easier by allowing us to push or pull over inc…
Uses grooved wheels and a rope to raise, lower, and move a lo…
A stiff bar that rests on a support called a fulcrum and lift…
An object with at least on slanting side ending in a sharp ed…
Purpose of Simple Machines
They make work easier by allowing us to push or pull over inc…
Pulley
Uses grooved wheels and a rope to raise, lower, and move a lo…
13 terms
Simple Machines/Mechanical Systems
Class 1 Lever
Class 2 Lever
Class 3 Lever
Mechanical Advantage for Gears
A lever in which the fulcrum is between the load and the effo…
A lever in which the load is between the fulcrum and the effo…
A lever in which the effort is between the fulcrum and the lo…
Divide the number of driven teeth by the driver teeth.
Class 1 Lever
A lever in which the fulcrum is between the load and the effo…
Class 2 Lever
A lever in which the load is between the fulcrum and the effo…
42 terms
Simple Machines--Mechanical Advantage
mechanical advantage
mechanical advantage
work
W (joules) = F (newtons) x D (meters)
output force divided by input force
the increase in work enabled by a machine
force x distance
What units are used for work = force x distance
mechanical advantage
output force divided by input force
mechanical advantage
the increase in work enabled by a machine
Simple Machines and Mechanical Advantage
Work
Power
Mechanical Advantage
Lever
...
...
...
A simple machine made up of a bar that pivotes, or rotates, a…
Work
...
Power
...
12 terms
Mechanical advantages for simple machines
MAd
MAf
MAs
Dl
Is the distance Mechanical Advantage
Is the force Mechanical Advantage
Is the speed Mechanical Advantage
Is the distance the load moves or the output distance
MAd
Is the distance Mechanical Advantage
MAf
Is the force Mechanical Advantage
18 terms
Simple Machines and Mechanical Advantage
Screw
Mechanical Advantage of Screw
Does Screw Allow Less Force
Wedge
Like an inclined plane, with a wedge at the tip
Find circumference to which effort is applied, divided by pit…
Depends on how steep thread is; more steep-more force, less s…
Inclined plane turned on the side, instead of helping move th…
Screw
Like an inclined plane, with a wedge at the tip
Mechanical Advantage of Screw
Find circumference to which effort is applied, divided by pit…
44 terms
Mechanical comprehension simple machines
mechanical advantage
incline plane
simple machines
wedge
Ratio of the output force exerted by a machine to the input f…
a sloping surface, such as a ramp, that reduces the amount of…
a machine with few moving parts, making it easier to do work…
is a variation of the inclined plane. it can be used for lift…
mechanical advantage
Ratio of the output force exerted by a machine to the input f…
incline plane
a sloping surface, such as a ramp, that reduces the amount of…
8 terms
Simple Machines and Mechanisms
lever
wheel and axle
wedge
screw
a bar that pivots about a fixed point when an effort is appli…
usually a circular object, often a big wheel and a smaller ax…
a modification of the inclined plane, a wedge is movable
another modification of the inclined plane, threads wrap arou…
lever
a bar that pivots about a fixed point when an effort is appli…
wheel and axle
usually a circular object, often a big wheel and a smaller ax…
25 terms
Work, Simple Machines, Mechanical Advantage
force
Newton
power
load
a push or pull
unit of measure for force
how fast work is done
a weight or mass that is a machine is putting its force on
force
a push or pull
Newton
unit of measure for force
17 terms
Mechanisms and Simple Machines
mechanical advantage
IMA
AMA
lever
ratio of resistance to effort
distance traveled by effort and resistance force
force magnitudes
a rigid bar used to exert a pressure or sustain a weight at o…
mechanical advantage
ratio of resistance to effort
IMA
distance traveled by effort and resistance force
22 terms
Mechanical Advantage and Simple Machines
Mechanical advantage
Equation for mechanical advantage
What is the unit for Mechanical Advant…
simple machines
Ratio between the output and input force
MA=output force/input force OR input distance/output distance
None
Basis for all other forms of machines
Mechanical advantage
Ratio between the output and input force
Equation for mechanical advantage
MA=output force/input force OR input distance/output distance
8 terms
Simple machines and Mechanical Advantage
SAWLIP
Machine
Simple Machine
Mechanical Advantage
Screw, Wheel and Axle, Wedge, Lever, Ramp or Incline, Pulley
anything that has moving parts and can perform a task (can do…
a device that accomplishes a task with one simple motion and…
tells us how much advantage is given OR how much a machine mu…
SAWLIP
Screw, Wheel and Axle, Wedge, Lever, Ramp or Incline, Pulley
Machine
anything that has moving parts and can perform a task (can do…
16 terms
Simple Machines & Mechanical Advantages
Lever (Plus Formula for Mechanical Adv…
First Class Lever
Second Class Lever
Third Class Lever
Rigid object that can turn on a fixed point (fulcrum)... MA=load…
Load and effort on outside, fulcrum in the middle. Different…
Fulcrum and effort on outside, load in middle.
Fulcrum and load on outside, effort in middle.
Lever (Plus Formula for Mechanical Adv…
Rigid object that can turn on a fixed point (fulcrum)... MA=load…
First Class Lever
Load and effort on outside, fulcrum in the middle. Different…
13 terms
Simple Machines & Mechanical Advantage
How does a lever work?
How does a pulley work?
How does a screw work?
How does a wedge work?
Downward motion at one end results in upward motion at the ot…
Reverses the direction of the input force
converts rotary motion into forward or backward motion
converts motion in one direction into splitting motion that a…
How does a lever work?
Downward motion at one end results in upward motion at the ot…
How does a pulley work?
Reverses the direction of the input force
11 terms
Mechanical advantage and simple machines
how many different kinds of simple mac…
what are the six different kinds of si…
formula for mechanical advantage of a…
formula for mechanical advantage of in…
six
lever, wedge, pulley, inclined plane, wheel and axle, and screw
resistance divided by effort or length of effort arm divided…
length of slope divided by height of slope
how many different kinds of simple mac…
six
what are the six different kinds of si…
lever, wedge, pulley, inclined plane, wheel and axle, and screw
17 terms
Simple Machines, mechanical advantage, efficiency
What is Work?
How is Work Calculated?
How does a lever work?
How does a pulley work?
Work is done when a net force acts on an object and the objec…
Work = force x distance
Downward motion at one end results in upward motion at the ot…
Reverses the direction of the input force
What is Work?
Work is done when a net force acts on an object and the objec…
How is Work Calculated?
Work = force x distance
27 terms
Mechanical Energy, Generators and Simple Machines
Mechanical Energy
PE + KE = ME
Thermal
Michael Faraday
the sum of potential and kinetic energy
How do you find Mechanical Energy?
Which form of energy is almost always produced as a result of…
Who discovered that a magnet can be used to produce electrici…
Mechanical Energy
the sum of potential and kinetic energy
PE + KE = ME
How do you find Mechanical Energy?
19 terms
Mechanical Advantage and six simple machines
Ideal Mechanical Advantage of a pulley
Ideal Mechanical Advantage of a lever
Ideal Mechanical Advantage of a ramp
Ideal Mechanical Advantage of a screw
number of supporting strands
input lenght from fulcrum over output lenghth from fulcrum
lenghth of incline over height of incline
lenghth of thread over height of screw
Ideal Mechanical Advantage of a pulley
number of supporting strands
Ideal Mechanical Advantage of a lever
input lenght from fulcrum over output lenghth from fulcrum
19 terms
Work, Simple Machines, Mechanical Advantage
force
Newton
power
energy
a push or pull that has the ability to change motion
the metric unit for force
the ability to do or act; strength, might, and force
the physical capacity to perform work
force
a push or pull that has the ability to change motion
Newton
the metric unit for force
11 terms
Simple Machines - Gaining the Mechanical Advantage
Effort
Load
Resistance
Mechanical Advantage (MA)
The force applied to the machine
The object attached to the machine
The force of the load on the machine
= Force (output) / Force (input)
Effort
The force applied to the machine
Load
The object attached to the machine
13 terms
Mechanical Advantage and Six Simple machines
Mechanical Advantage of a Pulley
Mechanical Advantage of a lever
Mechanical Advantage of a ramp
Mechanical Advantage of a screw
number of supporting strands (do not count the rope you pull…
input length from fulcrum over output length from fulcrum
length of incline over height of incline
length of thread over height of screw
Mechanical Advantage of a Pulley
number of supporting strands (do not count the rope you pull…
Mechanical Advantage of a lever
input length from fulcrum over output length from fulcrum
16 terms
Mechanical Advantage and six simple machines
Ideal Mechanical Advantage of a pulley
Ideal Mechanical Advantage of a lever
Ideal Mechanical Advantage of a ramp
Ideal Mechanical Advantage of a screw
number of supporting strands
input lenght from fulcrum over output lenghth from fulcrum
lenghth of incline over height of incline
lenghth of thread over height of screw
Ideal Mechanical Advantage of a pulley
number of supporting strands
Ideal Mechanical Advantage of a lever
input lenght from fulcrum over output lenghth from fulcrum
17 terms
Simple Machines, mechanical advantage, efficiency
What is Work?
How is Work Calculated?
How does a lever work?
How does a pulley work?
Work is done when a net force acts on an object and the objec…
Work = force x distance
Downward motion at one end results in upward motion at the ot…
Reverses the direction of the input force
What is Work?
Work is done when a net force acts on an object and the objec…
How is Work Calculated?
Work = force x distance
22 terms
Mechanical Advantage and six simple machines
Ideal Mechanical Advantage of a pulley
Ideal Mechanical Advantage of a lever
Ideal Mechanical Advantage of a ramp
Ideal Mechanical Advantage of a screw
number of supporting strands
input lenght from fulcrum over output lenghth from fulcrum
lenghth of incline over height of incline
lenghth of thread over height of screw
Ideal Mechanical Advantage of a pulley
number of supporting strands
Ideal Mechanical Advantage of a lever
input lenght from fulcrum over output lenghth from fulcrum
9 terms
Work, Simple Machines & Mechanical Advantage
Friction
friction changes kinetic energy into
the work input of a real simple machin…
not all of the friction that changes i…
a force that is caused by two objects rubbing together
heat
higher than its work output
converted to heat
Friction
a force that is caused by two objects rubbing together
friction changes kinetic energy into
heat
38 terms
Simple Machines, Mechanical Advantage and Efficiency Subunit
position
speed-time graph
direction
vector
the location of an object
1) Tells acceleration... 2) y-axis has speed or velocity
a course along which someone or something moves
a quantity (such as velocity) that has size and direction.
position
the location of an object
speed-time graph
1) Tells acceleration... 2) y-axis has speed or velocity
21 terms
POE - Brown - Mechanisms/Simple Machines
Lever
Wedge
Screw
Wheel & Axle
A rigid bar pivoted about a fulcrum.
A device that is thick at one end and tapers to a thin edge a…
An inclined plane wrapped around a cylinder
simple machine made from two circular objects of different di…
Lever
A rigid bar pivoted about a fulcrum.
Wedge
A device that is thick at one end and tapers to a thin edge a…
32 terms
Simple Machines, Mechanical Advantage, Efficiency, and Work
Work
Equation for work
Power
Equation for Power
what is done on an object when the object moves in the same d…
work=force x distance
the rate at which work is done
Power= Work/Time
Work
what is done on an object when the object moves in the same d…
Equation for work
work=force x distance
47 terms
Energy, Work, Power, Mechanical Advantage, Simple Machines
energy
joule (J)
mechanical energy
chemical energy
a quantity that describes the ability of an object to change…
a unit of energy
a form of energy that is related to motion or... position. Poten…
a form of potential energy that is stored in molecules
energy
a quantity that describes the ability of an object to change…
joule (J)
a unit of energy
18 terms
Unit 5: Work, Simple Machines, Mechanical Advantage
force
Newton
power
energy
a push or pull that has the ability to change motion
the metric unit for force
the ability to do or act; strength, might, and force
the physical capacity to perform work
force
a push or pull that has the ability to change motion
Newton
the metric unit for force
20 terms
Mechanisms and Simple Machines Test Review
force
simple machines
work
effort force
push or pull on a mass; F=ma
mechanisms that manipulate magnitude of force and distance
the force applied on an object times the distance traveled by…
the input force applied by a human or machine
force
push or pull on a mass; F=ma
simple machines
mechanisms that manipulate magnitude of force and distance
25 terms
Simple Machines
simple machines
machines
load
lever
machines with few or no moving parts
something that makes work easier
object lifted
straight bar that moves on fixed point
simple machines
machines with few or no moving parts
machines
something that makes work easier
20 terms
simple machines
pulley
inclined plane
lever
gears
A simple machine that helps lift a load higher while requirin…
A simple machine with a slanted surface that decreases the am…
Simple machine made of a fulcrum, arm, load, and effort. Redu…
A special type of wheel with teeth.
pulley
A simple machine that helps lift a load higher while requirin…
inclined plane
A simple machine with a slanted surface that decreases the am…
18 terms
Power, Work, Simple Machines, Mechanical Advantage
Power
Work
Force is measured in
Distance is measured in
A quantity that measures the rate at which work is done or en…
Force x Distance... A result of a force moving an object a certa…
Newtons
Meters
Power
A quantity that measures the rate at which work is done or en…
Work
Force x Distance... A result of a force moving an object a certa…
22 terms
Mechanical Advantage and six simple machines ESOL
Ideal Mechanical Advantage of a pulley
Ideal Mechanical Advantage of a lever
Ideal Mechanical Advantage of a ramp
Ideal Mechanical Advantage of a screw
number of supporting strands
input length from fulcrum over output length from fulcrum
length of incline over height of incline
length of thread over height of screw
Ideal Mechanical Advantage of a pulley
number of supporting strands
Ideal Mechanical Advantage of a lever
input length from fulcrum over output length from fulcrum
16 terms
Work, Power, Simple Machines, Mechanical Advantage
when a force causes an object to move…
the force on an object in the directio…
a machine makes work easier by changin…
the efficiency of a machine is _______…
work
the amount of work done on an object
the direction or amount of force needed to accomplish a task
the percentage of the input work that is changed to output work
when a force causes an object to move…
work
the force on an object in the directio…
the amount of work done on an object
20 terms
Science energy, simple machines, force and mechanical advantage
How to calculate work
how to calculate net force
Gravitational potential energy
chemical potential
work= force (newtons) times distance
add up the force on both sides and if they are not equal they…
when gravity has potential to set a object into motion
energy can be re based when you use your muscles
How to calculate work
work= force (newtons) times distance
how to calculate net force
add up the force on both sides and if they are not equal they…
10 terms
Simple Machines
Simple Machine
Work
Inclined Plane
Wedge
A device that makes work easier by allowing force (push or pu…
Force multiplied by distance (W=fd)
A slanting surface connecting a lower level to a higher level.
An object with at least one slanting side ending in a sharp e…
Simple Machine
A device that makes work easier by allowing force (push or pu…
Work
Force multiplied by distance (W=fd)
14 terms
Simple Machines
Simple Machine
6 Simple Machines
friction
force
Tools that make work easier.
lever, pulley, screw, wheel and axle, inclined plane, wedge
Force created when two objects rub against each other.
A push or pull on an object.
Simple Machine
Tools that make work easier.
6 Simple Machines
lever, pulley, screw, wheel and axle, inclined plane, wedge
17 terms
Tech Ed 7 Simple Machines, Mechanical Advantage & Levers (Pedersen/Epps)
compound machine
machine
mechanical advantage
screw
2 or more simple machines
an elementary object that transmits or modifies force on an o…
using a simple machine to increase force or speed
a cylinder with a spiral ridge
compound machine
2 or more simple machines
machine
an elementary object that transmits or modifies force on an o…
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