What is the force of gravity on a 700 kg satellite that orbits the Earth at an altitude of 200,000 m?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

What properties of a moving object are used in determining the object's energy of motion

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.