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Forces and Motion
Forces and Motion study stack
| Question | Answer |
|---|---|
| The measure of force it takes to move an object | Work |
| A change in position | Motion |
| The measure of how fast something moves over a certain distance | Speed |
| The force that pulls objects toward each other | Gravity |
| A measure of the pull of gravity on an object | Weight |
| A push or a pull | Force |
| A tool that makes work easier | Simple machines |
| A bar that moves on or around a fixed point | Lever |
| A flat surface set on an angle or other surface | Inclined Plane |
| Examples of this type of simple machine are: door stop, axe, nail | Wedge |
| Examples of this type of simple machine are: tooth paste cap, soda bottle cap, light bulb and socket | Screw |
| An example of this type of simple machine is a see-saw | Lever |
| Examples of this type of simple machine are: roller blades, skateboards, toy cars | Wheel and axle |
| Examples of this type of simple machine are: water well and flag pole | Pulley |
| An example of this type of simple machine is a ramp | Inclined Plane |
| This is how work is measured | Newtons |
| A machine made up of two or more simple machines | Compound machine |
| A person would weigh more on Earth than the moon because of this | Gravity |