AP Physics I : Chapter 4 : Forces and the Laws of Motion

A/an _____ is the cause of an acceleration or change in an object's velocity.

• momentum

• displacement

• force

• energy

Tags

NGSS.MS-PS2-2

A force that arises from the physical contact of two objects is called a _____.

• contact force

• magnetic force

• field force

• Newton force

A force that can exist between objects, even in the absence of physical contact between the objects is a _____.

• contact force

• field force

• normal force

• frictional force

Tags

NGSS.MS-PS2-5

What is the SI unit of mass?

• lb

• N

• g

• kg

What are the SI units for acceleration?

What is the SI unit of force?

• N⋅s

• kg

• N

• lb

A diagram of the objects involved in a situation and the forces exerted on the objects is called a _____.

• velocity-time graph

• displacement-time graph

• force diagram

• acceleration-time graph

Which of the following are vector quantities?

• Force

• Velocity

• Speed

• Distance

• Mass

Tags

NGSS.MS-PS2-4

What is the tendency of an object to maintain its state of motion?

• Velocity

• Speed

• Momentum

• Inertia

Which best describes Newton's first law of motion?

• Every action has an equal and opposite reaction.

• F = ma

• Force is directly dependent on the mass of the object and acceleration of the object.

• An object at rest remains at rest and an object in motion stays in motion unless acted on by an outside force.