Unit Review - Forces

What is the NET FORCE?

• 3 N

• 3 N, right

• 17 N, right

• 3 N, left

Tags

NGSS.MS-PS2-2

What is the NET FORCE being applied to the couch?

• 5N RIght

• 5 N Up

• 45 N Right

• 25 N Right

Tags

NGSS.MS-PS2-2

If the net force (Fnet) is 0, _____

• the forces are balanced.

• the object just keeps doing what it was doing.

• the object maintains its same speed and direction.

• the object maintains its velocity.

• the object does not speed up, slow down, or turn.

Tags

NGSS.MS-PS2-2

The net force acting on the object is acting _____.

• to the right

• to the left

• up

• down

Tags

NGSS.HS-PS2-1

The net force (Fnet) acting on the object is _____ N.

Tags

NGSS.MS-PS2-2

The net force acting on the block is _____ N.

Tags

NGSS.MS-PS2-2

Calculate the net force.

• 0 N

• 5 N

• 25 N

• 15 N

Tags

NGSS.MS-PS2-2

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

Tags

NGSS.MS-PS2-1

The girl on the sled will remain in motion unless

• her motion is changed by magnetic forces.

• she is stopped by an outside force.

• she accelerates at a constant speed.

• the force of friction forcer her to move faster.

Tags

NGSS.MS-PS2-2

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations

• Newton's first law
• Newton's second law
• Newton's third law
• Conservation of momentum

Tags

NGSS.MS-PS2-2