work and Power vocabulary
simple machine vocabulary
Types of simple machines
What is this simple machine?
misc.
100
What is a force that causes an object to move
What is work
100
What is a device that helps do work by either overcoming force or changing the direction of the applied force
What is a machine
100
What is a simple machine that consists of a bar that pivots at a fixed point called a fulcrum
What is a lever
100
what is a knife
What is a wedge
100
What is a device that makes work easier by changing the size and/or direction of force?
What is a simple machine
200
What is the unit used to express energy
What is a joule
200
What is the work done on a machine
What is the work input
200
What is a simple machine that consists of a wheel over which a rope, chain or wire passes
What is a pulley
200
What is a lid on a jar
What is a screw
200
what two things must happen for work to be done
What is force and distance
300
What is the rate at which work is done
What is power
300
What is work done by a machine
What is work output
300
What is a a simple machine consisting of two circular objects of different sizes
What is a wheel and axle
300
What is an inclined plane wrapped around a pencil
What is a screw
300
what is the formula for calculating work?
What is force times distance
400
What is a watt
What is the unit used to express power
400
What is a number that tells how many times a machine multiplies force?
What is mechanical advantage
400
What is a simple machine that is a straight, slanted surface, which helps the raising of loads.
What is an inclined plane
400
What is a faucet
What is a wheel and axle
400
What causes work output to be less than work input
What is friction.
500
What is work
What needs to have the direction of the force and the movement of the object go in the same direction?
500
What is a fixed point on a lever?
What is a fulcrum?
500
What is a simple machine that consists of a wheel over which a rope, chain or wire passes?
What is a pulley
500
What is a hammer?
What is a lever
500
What does a fixed pulley change?
What is the direction of the force?
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