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Force/Motion Week 2
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 |