Study sets matching "machines work power"

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Study sets matching "machines work power"

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
21 terms
14: Work, Power, & Machines
work
input force
output force
work input
The product of force and distance.
The force exerted on a machine.
The force exerted by a machine.
The work done on a machine as the input force acts through th…
work
The product of force and distance.
input force
The force exerted on a machine.
38 terms
Work, Power & Machines Quiz
Work
Formula for Work
Unit for Force
Unit for Distance
Applying a force on an object that moves in the same directio…
Work = Force x Distance; W = F x D
Newtons
Meters
Work
Applying a force on an object that moves in the same directio…
Formula for Work
Work = Force x Distance; W = F x D
Work, Power, Machines
work
power
efficiency
machine
force applied over a distance
the rate at which work is done
ratio of output work to input work
device with moving parts
work
force applied over a distance
power
the rate at which work is done
Work, Power, and Machines
Work
Power
Machines
Input force
The product of force and distance
Rate of doing work
Make work easier by changing size of force needed, direction,…
Force exerted on a machine
Work
The product of force and distance
Power
Rate of doing work
11 terms
Work, Power, Machines 2
Pulley
Lever
Input arm
Output arm
Consists of a rope that fits into a grooved wheel
A bar that is free to move around a fixed point
Distance between input force and fulcrum
Distance between output force and fulcrum
Pulley
Consists of a rope that fits into a grooved wheel
Lever
A bar that is free to move around a fixed point
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
10 terms
Work, Power, Energy & Machines
mechanical energy
work energy theorem
energy
work
sum of potential and kinetic energy
the work done on an object is equal to its change in energy
the property of an object that allows it to do work
the product of the force applied and the distance over which…
mechanical energy
sum of potential and kinetic energy
work energy theorem
the work done on an object is equal to its change in energy
12 terms
Work, Power, & Machines
Work
Joule (J)
Power
Watt (W)
When a force causes an object to move in the direction of the…
The unit of work, also known as newton-meter (N×m)
How fast energy moves from one object to another/ How fast wo…
The unit of power, joules per second. 1 J/s= 1 W
Work
When a force causes an object to move in the direction of the…
Joule (J)
The unit of work, also known as newton-meter (N×m)
27 terms
Work, Power, and Simple Machines
Joule
Work
Work Equation
Power
Unit of work
Transfer of energy that occurs when a force makes an object m…
W=Fd
Amount of work done in a given amount of time
Joule
Unit of work
Work
Transfer of energy that occurs when a force makes an object m…
Work, Power and Simple Machines
Work
Work =
Power =
Examples of levers
this is done on an object when the object MOVES in the direct…
FORCE X DISTANCE
WORK/TIME
baseball bat, bottle opener, and wheelbarrow
Work
this is done on an object when the object MOVES in the direct…
Work =
FORCE X DISTANCE
21 terms
Work, Power, and Simple Machines
Lever
Pulley
Inclined Plane
Screw
a bar that pivots on a fixed point
wheel with rope wrapped around it
has a straight, slanted surface - a ramp
inclined plane wrapped around a spiral
Lever
a bar that pivots on a fixed point
Pulley
wheel with rope wrapped around it
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, 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
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
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
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, 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
Work, Power and Simple Machines
work
power
machine
joule
the product of a force applied through a distance
how quickly work is done
a device that makes work easier
this unit means a newton meter which is a unit of work
work
the product of a force applied through a distance
power
how quickly work is done
17 terms
Work, Power, and Machines
Work
Power
Machine
Ideal Machine
Force acting through a distance
Rate in which work is being done in
An instrument that makes work easier
A machine that does not suffer from friction
Work
Force acting through a distance
Power
Rate in which work is being done in
7 terms
work and power/ work and machines
power
work
efficiency
input force
The rate at which work is done
the transfer of energy from one abject to another
comparison of the amount of work put into a machine to the am…
the force applied to a machine
power
The rate at which work is done
work
the transfer of energy from one abject to another
Work, Power, and Simple Machines
Work
Power
Mechanical advantage
Simple Machines
is the transfer of energy to an object by a force that makes…
The rate at which work is done
is the ratio of a machine's output force produced to the inpu…
machines that do work using only one movement
Work
is the transfer of energy to an object by a force that makes…
Power
The rate at which work is done
Work, Power, and Simple Machines
Work
Power
Force
Calculating Work
Force exerted on an object that causes it to move. The object…
How fast work is done
A push or a pull
Force x Distance
Work
Force exerted on an object that causes it to move. The object…
Power
How fast 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
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
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
30 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, 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
20 terms
Simple Machines / Work and Power
Work
Power
Fulcrum
Rigid arm
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.
part of a lever that moves around the fulcrum
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…
41 terms
Work, Power & Machines
When does a force do work?
If there is no __________________, the…
Work is the product of ___ and ___.
Explain why a weightlifter holding 200…
when an object acts upon it in the direction the object moves
distance
force and distance
Force is applied to the barbell, but the force does not cause…
When does a force do work?
when an object acts upon it in the direction the object moves
If there is no __________________, the…
distance
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
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…
Work, Power, and Simple Machines
wheel and axle
36 Joules
3.7 m/s^2
Inclined Plane
A simple machine consisting of a large wheel rigidly secured…
If Justin pushes a box 3 meters with 12 Newtons of force, how…
Chanse works for NASA and gets sent on a trip to mercury. He…
I help people get up to doors easily and increase the distanc…
wheel and axle
A simple machine consisting of a large wheel rigidly secured…
36 Joules
If Justin pushes a box 3 meters with 12 Newtons of force, how…
24 terms
Work, Power, and Simple Machines
Work
W=F*d
Force
Newtons
The transfer of energy when a FORCE makes an object move.....…
W (work)=F (force) * (applied over a certain) d (distance)... (f…
A PUSH or a PULL....... In order for work to be done, a force…
How you measure FORCE-----FORCE is measured in ____________
Work
The transfer of energy when a FORCE makes an object move.....…
W=F*d
W (work)=F (force) * (applied over a certain) d (distance)... (f…
30 terms
Work Power and Machines Review
work
Formula for work
effort force (input force)
resistance force (output force)
transfer of energy when a force makes something move
work (j) = applied force (N) X distance (m)
force applied by the user of the machine
force applied by the machine to do the work
work
transfer of energy when a force makes something move
Formula for work
work (j) = applied force (N) X distance (m)
Chapter 4 Work, Power, Machines
100% efficiency of a machine
power
joule
work
False because the ideal machine does not exist
rate of work done, calculated by taking work divided by time…
the SI unit for work
When an object moves in the same direction in which the force…
100% efficiency of a machine
False because the ideal machine does not exist
power
rate of work done, calculated by taking work divided by time…
25 terms
Work, Power & Simple Machines
Simple Machine
Lever
Wheel & Axle
Pulley
A machine that only performs one motion.
A simple machine that consists of a bar that pivots about a f…
A simple machine that consists of two wheels of different siz…
A simple machine that consists of a grooved wheel with a rope…
Simple Machine
A machine that only performs one motion.
Lever
A simple machine that consists of a bar that pivots about a f…
25 terms
Work, Power, and Machines
1st class lever
2nd class lever
3rd class lever
block and tackle
Type of lever in which the effort force is on one end, the re…
Type of lever in which the effort force is on the end, the fu…
Type of lever in which the resistance force is on one end, th…
Machine built of multiple pulleys that work together to incre…
1st class lever
Type of lever in which the effort force is on one end, the re…
2nd class lever
Type of lever in which the effort force is on the end, the fu…
WORK/POWER/MACHINES
Work
Power
Force
Mass
Applying a force over a certain distance.
The rate at which the work is done.
The push or pull on an object.
A body of matter, measured in kg.
Work
Applying a force over a certain distance.
Power
The rate at which the work is done.
30 terms
Simple Machines, Power & Work
work
power
input force
output force
force applied to an object and the object moves in the same d…
the rate of doing work... work/time
the force exerted on a machine
the force exerted on an object by a machine
work
force applied to an object and the object moves in the same d…
power
the rate of doing work... work/time
11 terms
Work, Power and Machines
Work
Power
Horsepower
Mechanical Advantage
Force acting through distance, something needs to move for __…
Rate at which work is done (amount of work per unit time)
Developed to compare steam engines to horses. 1 ___= 746 watts
How many times the machine multiplies the input force. The ra…
Work
Force acting through distance, something needs to move for __…
Power
Rate at which work is done (amount of work per unit time)
14 terms
Work, Power, & Simple Machines
work
machine
input force
output force
the transfer of energy that occurs when a force makes an obje…
a device that makes doing work easier
the force that is applied to the machine
the force applied by the machine
work
the transfer of energy that occurs when a force makes an obje…
machine
a device that makes doing work easier
15 terms
Work, Power, and Machines
work
joule
power
watt
Force x Distance
SI unit for work
(physics) the rate of doing work
The SI unit of power
work
Force x Distance
joule
SI unit for work
7 terms
Work, Power, Simple Machines
Work
Power
Units for work
Units for Power
Force x Distance... Force acting over a distance
the rate of doing work... How fast work is done
joules or... N-m (Newton-meter)
Watts (W) OR... Watts=joules/per second
Work
Force x Distance... Force acting over a distance
Power
the rate of doing work... How fast work is done
20 terms
Work, Power, and Machines
work
power
joule
watt
Force x Distance
(physics) the rate of doing work
A unit of work equal to one newton-meter
A measure of power equal to one joule of work per second.
work
Force x Distance
power
(physics) the rate of doing work
31 terms
Work, Power, and Machines
Work
SI unit for Work
Power
SI unit for Power
When a force acts on a object over a distance.... W = F x D
Joule (J)
The rate of doing work... P = Work/Time
Watts (W)
Work
When a force acts on a object over a distance.... W = F x D
SI unit for Work
Joule (J)
21 terms
Simple Machines-Work & Power
Inclined Plane
Wedge
Wheel & Axle
Pulley
Any straight, slanted surface... Ex: ramp
Double inclined plane that moves... Ex: knives
Made of two circular or cylinder directs of different sizes... E…
grooved wheel with a rope (or cable or chain) running through…
Inclined Plane
Any straight, slanted surface... Ex: ramp
Wedge
Double inclined plane that moves... Ex: knives
22 terms
work power and machines
work
power
mechanical advantage
simple machines
the transfer of energy to a body by the application of a forc…
a quantity that measures the rate at which work is done or en…
a quantity that measures how much a machine multiplies force…
one of the six basic types of machines, which are the basis f…
work
the transfer of energy to a body by the application of a forc…
power
a quantity that measures the rate at which work is done or en…
Work, Power, and Machines
Work formula
Power formula
Ideal Mechanical Advantage formula
Actual Mechanical Advantage
force x distance
work/ time
Input distance/ output distance (without friction)
output force/ input force (in real situation)
Work formula
force x distance
Power formula
work/ time
Work, Power, and Machines
Work
Machine
Power
Work input
When a force causes an object to move in the direction of the…
Something that makes work easier by lowering the size, or cha…
How fast work is done
The force applied to the machine to do the work
Work
When a force causes an object to move in the direction of the…
Machine
Something that makes work easier by lowering the size, or cha…
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