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Study sets matching "machines work simple"

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Study sets matching "machines work simple"

23 terms
Work and Simple Machines
What energy is used to do
Force applied through a distance
3 requirements for work to exist:
Unit for work
Work
Work
1. The is a Force applied... 2. The force and the distance must…
Joules (J)
What energy is used to do
Work
Force applied through a distance
Work
29 terms
Work and Simple Machines
efficiency
input
fulcrum
lever
increases when using a lubricant
the spot you put force on a machine
the point where a lever arm "pivots"
A beam, free to pivot on a point, used to move a load.
efficiency
increases when using a lubricant
input
the spot you put force on a machine
13 terms
Work & Simple Machines
work
power
work (science definition)
joules
force X distance
work (force X distance) divided by time
using force to move an object a distance
unit used to measure work
work
force X distance
power
work (force X distance) divided by time
23 terms
Work and Simple Machines
What energy is used to do
Force applied through a distance
3 requirements for work to exist:
Unit for work
Work
Work
1. The is a Force applied... 2. The force and the distance must…
Joules (J)
What energy is used to do
Work
Force applied through a distance
Work
30 terms
Work and Simple Machines
mechanical advantage
effort
fulcrum
lever arm
When a simple machine increases the force. ... "It makes effort…
same as "force" (a push or a pull)
the point where a lever arm "pivots"
A beam, free to pivot on a point, used to move a load.
mechanical advantage
When a simple machine increases the force. ... "It makes effort…
effort
same as "force" (a push or a pull)
18 terms
Simple Machines and Work
work
power
actual mechanical advantage
percent efficiency
when a force moves an object in the direction of that force
amount of work done in a given amount of time
output force divided by input force
(work output divided by input work) times 100
work
when a force moves an object in the direction of that force
power
amount of work done in a given amount of time
14 terms
Work & Simple Machines Vocabulary
work
power
input force
output force
is done when a force exerted on an object causes that object…
rate at which work is done; equal to the work done divided by…
force exerted on a machine
force exerted by a machine
work
is done when a force exerted on an object causes that object…
power
rate at which work is done; equal to the work done divided by…
14 terms
Simple Machines and Work
Work
simple machine
Lever
Fulcrum
Moving an object through a distance
Something that makes work easier.
A simple machine made of a bar or board that moves back and f…
The point that supports a lever.
Work
Moving an object through a distance
simple machine
Something that makes work easier.
33 terms
Work and Simple Machines
mechanical advantage
effort
fulcrum
lever arm
When a simple machine increases the force. ... "It makes effort…
same as "force" (a push or a pull)
the point where a lever arm "pivots"
A beam, free to pivot on a point, used to move a load.
mechanical advantage
When a simple machine increases the force. ... "It makes effort…
effort
same as "force" (a push or a pull)
11 terms
Stark-Work & Simple Machines
Work
Power
Wheel & Axle
Pulley
When you exert a force on an object that causes the object to…
The rate at which work is done.
A simple machine made of two circular or cylindrical objects…
A simple machine made of a grooved wheel with a rope or cable…
Work
When you exert a force on an object that causes the object to…
Power
The rate at which work is done.
27 terms
Work, Power and Simple Machines
What energy is used to do
Force applied through a distance
2 requirements for work to exist:
How fast work is done
Work
Work
1. There must be movement. Distance cannot equal ZERO.... 2. The…
Power
What energy is used to do
Work
Force applied through a distance
Work
18 terms
Force, Work, and Simple Machines
Work
Force
Joules
Newtons
Force x Distance
A push or a pull.
Unit for work (and also energy).
Unit for force (and also weight).
Work
Force x Distance
Force
A push or a pull.
17 terms
Work and Simple Machines Vocabulary
force
work
power
friction
A push or a pull.
Something that is done when a force causes an object to move…
How quickly work is done.
A force that opposes motion between two surfaces that are tou…
force
A push or a pull.
work
Something that is done when a force causes an object to move…
33 terms
Work and Simple Machines
mechanical advantage
effort
fulcrum
lever arm
When a simple machine increases the force. ... "It makes effort…
same as "force" (a push or a pull)
the point where a lever arm "pivots"
A beam, free to pivot on a point, used to move a load.
mechanical advantage
When a simple machine increases the force. ... "It makes effort…
effort
same as "force" (a push or a pull)
8 terms
Work and Simple Machines
What energy is used to do
Force applied through a distance
2 requirements for work to exist:
Unit for work
Work
Work
1. There must be movement. Distance cannot equal ZERO.... 2. The…
Joules (j)
What energy is used to do
Work
Force applied through a distance
Work
Work, Power, & Simple Machines
Joule
first class lever
compound machine
person doing work
unit for work
simple machine with the fulcrum in middle of arm
machine made of two or more simple machines
person lifting a box of 15 Newtons
Joule
unit for work
first class lever
simple machine with the fulcrum in middle of arm
39 terms
Work and Simple Machines
Work
Kinetic energy
work formula
joule
when a force acts on an object and causes that object to move…
The transfer of energy or energy of a moving object.
force (N) x distance (m)
SI unit for work (N x m)
Work
when a force acts on an object and causes that object to move…
Kinetic energy
The transfer of energy or energy of a moving object.
14 terms
Simple Machines & Work
Fulcrum
Machine
Mechanical Advantage
Input Force
The fixed point that a lever pivots around
Device that changes the force required or the distance over w…
Number of times a machine multiplies input force
The force applied to the machine
Fulcrum
The fixed point that a lever pivots around
Machine
Device that changes the force required or the distance over w…
15 terms
Work and Simple Machines
work
machines
simple machines
compound machines
A force moves an object a certain distance ... (W= F X d)
make work easier (decrease force needed or distance to be mov…
a tool or device that does work with one movement
machines that are made of two or more simple machines
work
A force moves an object a certain distance ... (W= F X d)
machines
make work easier (decrease force needed or distance to be mov…
15 terms
Work and Machines - Simple Machines
Simple Machine
Lever
Ideal Mechanical Advantage (IMA)
Pulley
is a machine that does work with only one movement of the mac…
is a bar that is free to pivot, or turn around a fixed point.…
is the function for a lever, a wheel and axle, and an incline…
is a grooved wheel with a rope, chain, or cable running along…
Simple Machine
is a machine that does work with only one movement of the mac…
Lever
is a bar that is free to pivot, or turn around a fixed point.…
25 terms
Work and Simple Machines
energy
work
simple machine
lever
a property that enables something to do work
occurs when a force is used to move an object
a device that reduces the amount of effort force needed to do…
a rigid bar or board that is free to move around a fixed poin…
energy
a property that enables something to do work
work
occurs when a force is used to move an object
20 terms
RPEMS Simple Machines and Work
work
power
actual mechanical advantage
percent efficiency
when a force moves an object in the direction of that force
amount of work done in a given amount of time
output force divided by input force
(work output divided by input work) times 100
work
when a force moves an object in the direction of that force
power
amount of work done in a given amount of time
9 terms
Work and Simple Machines
Simple Machine
Work
Force
Pulley
one of the six basic types of machines that does work with on…
Force x Distance... A result of a force moving an object a certa…
A push or pull that acts on an object
a simple machine that consists of a grooved wheel with a rope…
Simple Machine
one of the six basic types of machines that does work with on…
Work
Force x Distance... A result of a force moving an object a certa…
14 terms
Simple Machines and Work
Work
simple machine
Lever
Fulcrum
Moving an object a distance
Something that makes work easier.
A simple machine made of a bar or board that moves back and f…
The point that supports a lever.
Work
Moving an object a distance
simple machine
Something that makes work easier.
33 terms
Work and Simple Machines
mechanical advantage
effort
fulcrum
lever arm
When a simple machine increases the force. ... "It makes effort…
same as "force" (a push or a pull)
the point where a lever arm "pivots"
A beam, free to pivot on a point, used to move a load.
mechanical advantage
When a simple machine increases the force. ... "It makes effort…
effort
same as "force" (a push or a pull)
16 terms
Energy, work, Simple Machines
Potential Energy
Chemical Potential Energy
Elastic Potential Energy
Gravitational Potential Energy
energy that is stored
energy stored in chemical bonds
energy stored by something that can stretch or compress
anything that can fall
Potential Energy
energy that is stored
Chemical Potential Energy
energy stored in chemical bonds
17 terms
Work & Simple Machines
Simple Machines
friction
force
wedge
Tools that make work easier.
Force created when two objects rub against each other.
A push or pull on an object.
A simple machine that is wide at one end and pointed at the o…
Simple Machines
Tools that make work easier.
friction
Force created when two objects rub against each other.
34 terms
work and simple machines
What is the equation for work?
When pulling a sled the ______force is…
The_______force is the force doing work.
Many machines increase distance to____…
W=F*D
vertical
horizontal
decrease force
What is the equation for work?
W=F*D
When pulling a sled the ______force is…
vertical
27 terms
Work, Power and Simple Machines
What energy is used to do
Force applied through a distance
2 requirements for work to exist:
How fast work is done
Work
Work
1. There must be movement. Distance cannot equal ZERO.... 2. The…
Power
What energy is used to do
Work
Force applied through a distance
Work
40 terms
Work ,energy, and simple machines
Equation for work
Units of work
Energy
Potential energy
Force ×Distance
Newton-meters(N m) or Joules(J)
The ability to perform work or to change an object
Energy that is stored in the position, or structure, of an ob…
Equation for work
Force ×Distance
Units of work
Newton-meters(N m) or Joules(J)
11 terms
Work & Simple Machines
Simple Machine
Mechanical Advantage
Work
First Class Lever
Any of various elementary mechanisms including the lever, the…
The amount by which a machine multiplies the effort force. Ca…
Force x Distance... A result of a force moving an object a certa…
A lever who's fulcrum is is between the input force and the l…
Simple Machine
Any of various elementary mechanisms including the lever, the…
Mechanical Advantage
The amount by which a machine multiplies the effort force. Ca…
22 terms
Work and Simple Machines
mechanical work (W)
power (P)
simple machine
mechanical advantage (MA)
the equivalent of the amount of energy transferred to an obje…
the rate of doing work, measured in watts (w)
a basic mechanical device that either reduces effort or incre…
a measure of the reduction in effort to do a certain amount o…
mechanical work (W)
the equivalent of the amount of energy transferred to an obje…
power (P)
the rate of doing work, measured in watts (w)
27 terms
Work, Power and Simple Machines
What energy is used to do
Force applied through a distance
2 requirements for work to exist:
To get more power, do the same work in…
Work
Work
1. There must be movement. Distance cannot equal ZERO.... 2. The…
shorter
What energy is used to do
Work
Force applied through a distance
Work
17 terms
Work and Simple Machines
What is work?
How is work measured?
How do you calculate work?
What does a machine do?
The transfer of energy to an object that causes the object to…
Work is measured in joules.
You must multiply force by distance.
It makes work easier.
What is work?
The transfer of energy to an object that causes the object to…
How is work measured?
Work is measured in joules.
18 terms
Force, Work, and Simple Machines
Work
Force
Joules
Newtons
Force x Distance
A push or a pull.
Unit for work (and also energy).
Unit for force (and also weight).
Work
Force x Distance
Force
A push or a pull.
13 terms
Work/Energy, Simple Machines
Work
Energy
Potential Energy
Kinetic Energy
The measurement of the energy used to perform a task.
The ability to perform work or change an object.
The energy that is stored in the position, or structure, of a…
The energy of a moving object.
Work
The measurement of the energy used to perform a task.
Energy
The ability to perform work or change an object.
27 terms
Work, Power and Simple Machines
What energy is used to do
When force moves an object
A push or pull to move a load.
A force that pulls objects towards Ear…
Work
Work
Force
Gravity
What energy is used to do
Work
When force moves an object
Work
9 terms
Work and Simple Machines
work
friction
Efficiency
screw
force exerted on an object that causes it to move
the force that one surface exerts on another when the two rub…
how well a machine works
an inclined plane wrapped around a central cylinder to form a…
work
force exerted on an object that causes it to move
friction
the force that one surface exerts on another when the two rub…
Work and Simple Machines #2
Work
Kinetic energy
work formula
joule
when a force acts on an object and causes that object to move…
The transfer of energy or energy of a moving object.
force (N) x distance (m)
SI unit for work (N x m)
Work
when a force acts on an object and causes that object to move…
Kinetic energy
The transfer of energy or energy of a moving object.
14 terms
Work & Simple Machines
inclined plane (ramp)
wedge
lever
wheel & axle
flat supporting surface tilted at an angle, with one end high…
two inclined planes joined back to back to make a sharp edge,…
a straigh rod or board that pivots on a point known as a fulc…
wheel with a rod through its center
inclined plane (ramp)
flat supporting surface tilted at an angle, with one end high…
wedge
two inclined planes joined back to back to make a sharp edge,…
19 terms
Work & Simple Machines
The use of force that causes an object…
The formula to calculate work
Unit of measure for work
How much work is done if Bob pushes a…
Work
w=fxd
Joule
40 J
The use of force that causes an object…
Work
The formula to calculate work
w=fxd
25 terms
Simple Machines / Work and Power
Work
Power
Fulcrum
Resistance Force
The movement of an object when a force is applied. W=f*d
Rate at which work is done. Calculated by dividing joules by…
Stationary point of lever in which the rigid arm moves around.
The load/object being moved
Work
The movement of an object when a force is applied. W=f*d
Power
Rate at which work is done. Calculated by dividing joules by…
27 terms
Work, Power and Simple Machines
What energy is used to do
Force applied through a distance
2 requirements for work to exist:
How fast work is done
Work
Work
1. There must be movement. Distance cannot equal ZERO.... 2. The…
Power
What energy is used to do
Work
Force applied through a distance
Work
Work and Simple Machines
Work
Simple machines
Lever
Pulley
Force on an object that causes an object to move
Allow us to do work using less force
Has fulcrum
Changes direction of force
Work
Force on an object that causes an object to move
Simple machines
Allow us to do work using less force
18 terms
Work and Simple Machines
Work
Force
Spring Scale
Newtons
When a force (push or pull) causes an object to move in the s…
a push or pull on an object
an instrument to weigh something or to measure force
the unit of measure for force
Work
When a force (push or pull) causes an object to move in the s…
Force
a push or pull on an object
20 terms
Simple Machines and Work
Work
Mechanical advantage
Simple machine
Lever
Force applied to an object that causes it to move a certain d…
The number of times that the machine increases an input force
A device that makes work easier by changing the size or direc…
a simple machine made up of a bar that moves on a fixed point…
Work
Force applied to an object that causes it to move a certain d…
Mechanical advantage
The number of times that the machine increases an input force
15 terms
Work and Simple machines
work
power
input force
output force
is done when a force moves an object through a distance
the rate at which work is done...equal to the work done divid…
the force exerted on a machine
the force exerted by a machine
work
is done when a force moves an object through a distance
power
the rate at which work is done...equal to the work done divid…
17 terms
Work & Simple Machines
Simple Machines
friction
force
wedge
Tools that make work easier.
Force created when two objects rub against each other.
A push or pull on an object.
A simple machine that is wide at one end and pointed at the o…
Simple Machines
Tools that make work easier.
friction
Force created when two objects rub against each other.
39 terms
Work and Simple Machines
Work
If a weight lifter exerts force on a s…
Power
power equation
the transfer of energy that occurs when a force is applied ov…
No, the weight lifter does work only when he moves the weights.
the rate at which work is done
p=w/t
Work
the transfer of energy that occurs when a force is applied ov…
If a weight lifter exerts force on a s…
No, the weight lifter does work only when he moves the weights.
8 terms
Work and Simple Machines
What energy is used to do
Force applied through a distance
2 requirements for work to exist:
Unit for work
Work
Work
1. There must be movement. Distance cannot equal ZERO.... 2. The…
Joules (j)
What energy is used to do
Work
Force applied through a distance
Work
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