Force and Motion Study Guide
332098278 | Inertia | a tendency of an object to remain in motion or stay at rest unless acted on by an outside force. | |
332098279 | Position | location of an object | |
332098280 | Force | push or pull | |
332098281 | Weight | measure of the pull of gravity between an object and Earth | |
332098282 | Newtons | unit used to measure pushes and pulls, measurement in the metric system | |
332098283 | Friction | force that occurs when one object rubs against another | |
332098284 | Motion | a change in position | |
332098285 | Speed | how fast an object moves over a distance | |
332098286 | Pound | English unit of measurement | |
332098287 | Gravity | pulling force between two objects | |
332098288 | Distance | length between two places | |
332098289 | Work | the use of a force to move an object a certain distance | |
332098290 | Energy | the ability to do work, either to make an object move or to change matter | |
332098291 | Machine | a tool that makes work easier to do | |
332098292 | Simple machine | a machine with few or no moving parts that makes it easier to do work. The six types are lever, pulley, wheel and axle, inclined plane, wedge and screw. | |
332098293 | Lever | a simple machine made of a rigid bar or plank and a fixed point, called a fulcrum | |
332098294 | Wheel and axle | a simple machine made of a handle or axle attached to the center of a wheel | |
332098295 | Pulley | a simple machine made up of a rope, belt, or chain wrapped around a wheel with a groove in it | |
332098296 | Ramp | another name for an inclined plane | |
332098297 | Inclined plane | a straight, slanted surface that is not moved when it is used | |
332098298 | Wedge | two inclined planes placed back to back, a moving inclined plane | |
332098299 | Screw | an inclined plane wrapped or twisted into a spiral | |
332098300 | Compound machine | two or more simple machines put together | |
332098301 | Load | the object being lifted or moved by a machine | |
332098302 | Force | any push or pull that makes an object start moving, stop moving, speed up, slow down, or change direction |