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PHYSICS

asp 4-A DYNAMICS

WORDS TO KNOWDEFINITIONS
Centripetal force An inward perpendicular force that causes an object to move in a circle
Friction The resistance one object feels when it is in contact with another
Net force The force that is left when all forces acting on a body are taken into consideration
Newton (N) The unit for force; equal to the mass of an object times its acceleration (Kg . m/s2)
Perpendicular A line or ray that meets another at a ninety (90) degree angle
Principle of inertia The resistance of a body to a change in its state of rest or motion
Reaction The response to an action
Rotational inertia The tendency for a rotating object to remain at rest or in motion
Torque A force that causes rotation; equal to mass times length of the radius
Created by: MEL3024
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