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forces and motion2
forces and motion vocabulary for quiz 2
| Question | Answer |
|---|---|
| a force that attracts or influences | pull |
| the line or course along which something moves, lies, or points | direction |
| the use of force to move an object over a distance | work |
| a machine with few or no moving parts that you apply just one force to | simple machine |
| a simple machine made of a bar that pivots on a fixted point | lever |
| the fixed balance point on a lever | fulcrum |
| a simple machine that consists of a wheel with a line around it | pulley |
| a simple machine made of a wheel and an axle that turn together | wheel and axle |
| a simple machine that is a slanted surface | inclined plane |
| a simple machine made of a post with an inclined plane wrapped around it | screw |
| a simple machine made of two inclined planes placed back to back | wedge |