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Newton's 2nd law F=ma.
Newton's 3rd law Every action has an equal and opposite reaction.
Force A push or pull that causes an object to start moving, stop moving, or change direction.
Unbalanced force When 2 or more forces are action on an object with unequal force.
Inertia The resistance of an object to change.
Contact force A force exerted between 2 objects by touching.
Newton's 1st law An object at rest stays at rest, while an object in motion stays in motion (at a constant velocity) unless acted on by an outside unbalanced force.
Balanced force When 2 or more forces are are action on an object at equal force.
Friction A force created by 2 or more object rubbing against each other. It resists motion.
Magnetic force An attraction created by electrically charged particles.
Gravity A force of attraction between 2 masses.
Created by: 9287382