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Force and Motion-wk2
Term | Definition |
---|---|
velocity | The speed and direction of moving objects. |
resist | To push or act against: something that resists a force pushes against that force. |
surface | The top of an object; the outside of an object; the boundary between two objects or materials. |
contact | The act of touching: Two things are in contact when they are touching one another. |
attract | To pull towards; opposite poles of a magnet come together when they attract each other. |
kilogram | A metric unit for describing mass: One kilogram is equal to one thousand grams. |
pendulum | A string or bar that is loose at one end but fixed at the other and can rotate or swing around the fixed point. |
weight | The force of gravity on an object. |
acceleration | A change in the velocity (speed, direction, or both) of a body. |
scale | A description of the relative size or amount of two or more things; the marks on a measurement tool that stand for particular units; a device used for measuring weight. |