Application of Newton's Laws

Which diagram best shows person pushing a couch (accelerating) across the floor?

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Tags

NGSS.HS-PS2-1

A box is moving to the left up a ramp. Which way is the force of friction pointing?

• down the ramp to the right
• up the ramp to the left
• there is no friction
• straight up

Tags

NGSS.HS-PS2-1

Which of the following is true about the system shown?

• The system is not accelerating.
• The tension between m₂ and m₁ is less than the tension between m₂ and m₃
• The acceleration of the system only depends on m₃
• None of the other answers are true

Tags

NGSS.HS-PS2-1

Name the missing force....

• weight force
• normal force
• frictional force
• tension force

Tags

NGSS.HS-PS2-1

Name the missing force...

• applied force
• weight force
• tension force
• drag

Tags

NGSS.HS-PS2-1

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.HS-PS2-1

What is the net force of an object that is not moving?

• 0N
• 100N
• Upward force

Tags

NGSS.HS-PS2-1

What is the net force in this picture?

• 50 Newtons to the right
• 950 Newtons to the right
• 950 Newtons to the left
• 50 Newtons to the left

Tags

NGSS.HS-PS2-1

Which one is balanced?

• top
• bottom
• both

The free body diagram of four boxes are shown below. Which box is in equilibrium?

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Tags

NGSS.HS-PS2-1