Forces Unit Test Review

What is the net force and the direction of movement?

• 50 Newtons, Left
• 50 Newtons, Right
• 500 Newtons, RIght
• 450 Newtons, LEft

Tags

NGSS.MS-PS2-2

What is Newtons 1st law of motion?

• Force= Mass multiplied by acceleration 
• An object at rest stays at rest unless acted on an unbalanced force. (inertia)
• For every action there is a equal and opposite  re-action.
• law of gravity 

What law of motion does this picture represent?

• Newtons 1st law
• law of gravity 
• Newtons 4th law 
• Newtons 2nd law

Tags

NGSS.HS-PS2-1

What law of motion does this picture represent?

• Newtons 1st law
• Newtons 4th law 
• Newtons 3rd law 
• Newtons 2nd law

Tags

NGSS.MS-PS2-1

A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?

•  m = 3.0 kg
• m = 4.0 kg 
• m = 3.0 ml 
• m = 30.0 g

Tags

NGSS.MS-PS2-2

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

• No forces are missing

• The normal force from the table pushing the cup up.

• The normal force form the table pushing the cup down.

• The friction force from the table pushing the cup left and right.

Tags

NGSS.HS-PS2-1

What is the net force on the box shown below?          

• a.  10 N to the left 
• b.10 N to the right
• c.  60 N to the left
• d.  50 N to the right

Tags

NGSS.MS-PS2-2

When you slide a box across the floor what force must your push be stronger than?

• a. support force
• b. friction force
• c. gravity
• d. air resistance

Tags

NGSS.MS-PS2-2

This test paper is sitting at rest on your desk. Which of the following statements best describes this situation?

• a.  There are no forces acting on your paper.
•  b.  Your paper pushes on the desk only.
•  c.  The desk pushes on your paper only
• d.  The forces acting on the paper are balanced.

What describes the tendency of a moving object to continue moving at the same velocity?

• a. acceleration
• b. velocity
• c. speed
• d. inertia