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Science Vocab #5
Vocab 5 science
Term | Definition |
---|---|
Motion | AN object's change in position relative to a reference |
Speed | The distance traveled divided by the time interval during which the notion occurred |
velocity | The speed of an objection a particular direction |
Acceleration | The rate at which velocity changes over time; An object accelerates if its speed, direction, or both change |
Force | A push or pull exerted on an object in order to change the motion of an object; Force has a size and direction |
Newton | The SI unit for the force (symbol,N) |
Net Force | The combination of all of the forces acting on an object |
Friction | A force that opposes motion between objects that is due to their masses |
Gravity | A force of attraction between objects that is due to their masses |
Weight | A measure of the gravitational force extended on an object; its value can change with its location of the object in the universe |
Mass | A measure of the amount of matter in an object |