Forces & Motion Assessment

The total force acting on an object is known as the ____ force.

• net

• applied

Tags

NGSS.MS-PS2-2

A push or pull force on an object by another object that is touching it.

• contact force

• non-contact force

Tags

NGSS.MS-PS2-1

What is a force that resists the sliding motion of two surfaces that are in contact?

• mass

• motion

• friction

• air resistance

Which is a force that one object can apply to another object without touching it?

• contact force

• non-contact force

Tags

NGSS.MS-PS2-5

The rate at which velocity changes is called

• motion

• average velocity

• instantaneous velocity

• acceleration

A student drops a bowling ball and an apple from the third-floor window. Both objects hit the ground at the same time. From the experiment, the student should conclude that

• the apple weighs more than the bowling ball.

• the bowling ball accelerates faster than the apple.

• more air friction acts on the apple than on the bowling ball.

• gravity pulls both objects, causing them to fall at the same speed.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Select the Law: This law states that for every action, there is an equal and opposite reaction.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

Tags

NGSS.MS-PS2-1

Select the Law: Also known as the Law of Inertia, this law states that an object at rest will remain at rest unless acted upon by an external force.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

Select the Law: This law is more mathematical. It states that Force is equal to Mass multiplied by Acceleration.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

Tags

NGSS.MS-PS2-2

What would happen with the magnets in the image above?

• They would be repelled

• Nothing

• They would be attracted

• They would repel and then attract

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5