Forces

True or false
You do work only when you exert a force on an object and move it

• true
• false

Tags

NGSS.MS-PS2-2

Two factors that determine work are

• size of the force, and distance
• size of the force, and type of force
• mass, and distance

Tags

NGSS.MS-PS2-2

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J
• 30 J
• 120 N 
• 30 N

 10.  A boy pushes on a parked car with a force of 200 N. The car does not move. How much work does the boy do on the car?

• 200 N
• 200 J
• 0J
• 0N

A large box is on the floor and it's moving to the right with a net force of 100N.  A man is pushing it to the left with a net force of 70N. What is the net force?

• 100N
• 70N
• 170N
• 30N

A car has a net force of 200N to the right and some kids are pushing it to the right with 175N.  What is the net force?

• 200N
• 175N
• 25N
• 375N

If a force is applied to an object and it is not moving, how would you describe the force?

• The net force is moving upward.
• The net force is moving to the right.
• The net force is zero.
• The net force is 50.

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-2

What is the net force?

• 10 N
• 0 N
• 25 N
• 1 N

Tags

NGSS.MS-PS2-2

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

Tags

CCSS.HSN.VM.A.3