A | B |
A simple machine that consists of two inclined planes placed back-to-back. | wedge |
Simple machines are used to push, pull, and ________. | lift |
A screw is made of an inclined plane that is wrapped around a __________. | pole |
A simple machine requires this in order to operate. | energy |
A simple machine can change the direction or _______ of a force. | size |
A device that does work. | machine |
The fixed point or support on which a lever turns when moving. | fulcrum |
A push or pull. | force |
Simple machines make performing work ________. | easier |
This type of machine is in the form of a lever. | seesaw |
An inclined plane makes it easier to move an object upward, but the ________ to perform the work is larger. | distance |
A snow shovel is an example of this simple machine. | lever |
This type of simple machine is used to raise and lower a flag on a flagpole. | pulley |
The number of simple machines. | six |
This type of simple machine is in the form of an inclined plane. | ramp |
The blade of this is an example of a wedge. | knife |
One end of an inclined plane is _________ than the other end. | higher |
A simple machine performs work by applying one or more __________. | forces |
An inclined plane has a _______ surface that does not move. | slanted |
A wedge and a _________ each include one or more inclined planes. | screw |
Work is equal to the product of force _________ distance. | times |
A _________ and a fulcrum make up this simple machine. | bar |
Using a force to move an object across a distance. | work |
A _________ and axle is a simple machine that uses the force turning its wheels to also turn its axles. | wheel |
A ________ is an example of a lever. | broom |
When you pull on a pulley, the pulley will change the ________ of the force applied to it. | direction |