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Week4Force+Motion
Question | Answer |
---|---|
Friction | A force that opposes the motion of a body across a surface or through a gas or liquid. |
Gravity | A force that exists between any two objects that have mass. |
Speed | Distance traveled per unit of time. |
Velocity | The speed and direction of moving objects. |
Acceleration | A change in the velocity (speed, direction, or both) of a body. |
Deceleration | Slowing Down |
Scale | description of the relative size or amount of 2 or more things; a device used for measuring weight |
Resist | to push or act against |
Kilogram | A metric unit for describing mass |
Attract | to pull towards |