Force and Motion

Newton's third law states that every action has a(n) _____________ and ____________ reaction.

• before and after

• equal and opposite

• balanced and equal

• action and reaction

An object with more mass has _________ momentum.

• less

• the same

• no

• greater

The ________- velocity of a projectile is considered to be constant.

• horizontal

• vertical

• terminal

• centripetal

This can be described as a change in position.

• Speed

• Motion

• Friction

• Acceleration

Use the graph to answer Question. The slope of the line in this graph is

• Acceleration

• Distance

• Density

• Speed

How fast is the person walking during the first 10 seconds?

• 1.5 m/s

• 15 m/s

• 1 m/s

• 0 m/s

What is the person doing for the last 10 seconds?

• Running

• Standing still

• Turning

• Walking at a constant speed

The amount of gravitational force between two objects depends on ___?___.

• mass & distance

• color & shape

• time & distance

• mass & shape

An object that has ___?___ mass has more inertia.

• more

• less

• the same

• no

Type of friction that opposes motion in liquids and gases

• Rolling

• Fluid

• Static

• Sliding