The amount of gravitational force exerted on each other between two objects depends on their

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created

When solid surfaces slide over each other the kind of friction that occurs is called friction