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PHYSICS
asp 4-A DYNAMICS
WORDS TO KNOW | DEFINITIONS |
---|---|
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 |