If the forces on an object are balanced, how is the object moving?

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.