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# Newton's First Law

### Inertia

TermDefinition
Balanced force all forces acting on an object are equal and there is no movement
time distance divided by speed
distance how far an object goes
speed how fast an object moves or the distance it moves in a given how fast an object moves or the distance it moves in a given
velocity how fast and what direction an object goes in
vector quantity that has both size and direction
Newtons first law the law of inertia says that an object in rest stays in rest and an object in motion stays in motion
mass a measure of the amount of matter in an object
inertia An objects resistance to change its motion
force any push or pull that can change motion
Net Force combination of all forces in an object
Unbalanced Force forces that are acting on an object are not equal and cause movement
position an object or place’s location
reference point time a location to which you can compare other locations
motion a change in position and location
acceleration the rate at which velocity is changing
Created by: Mrs Lyons