5.3 Motion

Moving objects have _____ energy, which is the energy of motion.

• Potential

• Kinetic

Speed describes how fast an object is moving.

• True

• False

A force can cause an object to:

• move, stop, change direction or speed

• change direction or speed, but not both at the same time

• move

• move and stop

Which of the following is an example of kinetic energy?

• A heavy book on the table

• A charged battery

• A hanging fruit on the vine

• A rotating fan

Force involves at least ____ object(s).

• 1

• 2

• 3

• 4

Force involves at least ____ object(s).

• 1

• 2

• 3

• 4

With objects of the same mass, the greater the force, the _____ the change in motion.

• Lesser

• Greater

Unless acted on by a force, objects in motion tend to stay in motion and objects at rest remain at rest.

• True

• False

Force will have the greatest effect on which of the following objects:

• Elephant

• Lawnmower

• Car

• Teapot

In a baseball game, if the force from the swinging bat increases, then the change in motion of the baseball would ________.

• increase

• remain the same

• decrease