Exist between aan object that is stationary or not moving and the surface where it is resting upon.

Is also known as kinetic friction.

Exists between the ball, tire, wheel, or any round object and the surface where it rolls.

Exist between a moving object and a fluid either gas or liquid.

States that the mass of an object is attracted towards the mass of another object.

Friction is greater on rough surfaces than on smooth surfaces.

Most playgrounds have sand or gravel on its flooring.

Speed bumps or speed breakers are placed on roads for the passing vehicles to speed.

Described as energy at rest or stored energy.

May be described as moving Entergy or energy in motion.

Stored energy in an object due to its structure is called

Stored energy in an object due to its POSITION is called

Forms of potential energy