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# John Ross Comes

### Chapter 5 vocab force

Force A push or pull, or any action that involves the interaction of objects and has the ability to change motion.
Newton The metric unit of force equal to the force needed to make 1 kg object accelerate at 1 m/s/s.
Tension A pulling force that acts in a rope, string or other object.
Extension A "stretch" or increase in size.
Compression A "squeeze" or decrease in size.
Friction A force that resists the motion.
Sliding friction The friction force that resists the motion of an object moving across a surface.
Static friction The friction force that resists the motion between two surfaces that are not moving.
Net force The sum of all forces acting on an object.
Balanced forces Combined forces that result in a zero net force on an object.
Equilibrium The state in which the net force on an objects is zero.
Normal force The perpendicular force that a surface exerts on an object that is pressing on it.
Created by: Bud Bud