Moving objects will not stop unless acted upon by an unbalanced force.

The more friction between colliding objects, the less heat produced during a collision.

When an elevator is moving up in a building, there are unbalanced forces acting on it.

When two objects collide, some of the kinetic energy of the moving object is transformed into sound energy and heat

A boulder is sitting in a field. The tendency of the boulder to stay at rest is called inertia.

Which describes a change that will likely occur in the collision below?

If two puppies pull on a plastic ring with equal force, the ring does not move. This is an example of ______________________.

Dana is the pitcher for her community baseball team. What force causes the baseball to change direction when it is hit by the bat?

Which force will stop a moving skateboard?

__________________ is a noncontact force that acts over a distance and pulls all objects toward each other,

A force that results from the interaction of two objects in contact with each other is called ____________________

_______________ is a force that occurs without objects touching.

The theory that states that energy may change form, but it cannot be created or destroyed is called the _______________________.

_____________________is the movement of energy from one object to another or the change of energy from one form to another.