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# Force and Motion

### Review of Key Terms and Vocabulary

Formula for Force Mass X Acceleration
Formula for Gravity 9.8m/s2
Another word for kgm/s2 Newtons
Acceleration Rate of Change of speed
Speed Distance/Time; how far an object moves over a certain period of time
Weight Mass X Force of Gravity
Work Force X Distance
Potential Energy Energy that is not being used; object is at rest
Kinetic Energy Energy of motion; object is in motion
Net force The difference between forces acted upon an object
Balanced force When the forces acted upon on object are the same; no movement
Unbalanced force When the forces acted upon an object are different; causing a change in movement
Friction Resistance to motion
Velocity An object's speed in one direction
Motion An object's change of position
Force A push or a pull
Created by: mharlan

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