Forces and Motion

The measurement of how far an object moves in a certain amount of time is called....

• speed

• Newton's First Law

• gravity

• action

The amount of matter an object has is known as....

• inertia

• friction

• gravity

• mass

If forces acting on an object are balanced, then there _________ be a change in motion

• will
• will not

What is the force that resists motion between two objects that are touching?

• gravity

• friction

• motion

• unbalanced force

Gravity is a force that can act on an object without touching the object

• True

• False

When forces on an object are balanced, what is the force?

• Five

• Ten

• Six

• Zero

______ measures an object's tendency to resist changing its motion.

• Acceleration

• inertia

• Gravity

• weight

Stored energy is also called...

• kinetic energy

• potential energy

• instant energy

• inertia

What is kinetic energy?

• energy that is not in use but stored

• a unit to measure force

• energy that is in use

• the amount of matter in an object

Friction happens in solids, liquids, and gases.

• True

• False