Final Review - Forces

What will cause an object to move and accelerate?

• Applied forces

• Balanced forces

• Unbalanced forces

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NGSS.HS-PS2-1

Which example would be a balanced force?

• Train moving at a constant speed in the same direction.

• A skier going down a hill.

• A basketball being passed to a teammate.

• An apple falling to the floor.

The diagram shows a box being pulled up the ramp. Which letter represents normal force?

• A

• B

• C

• D

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NGSS.HS-PS2-1

The diagram shows a box being pulled up the ramp. Which letter represents the weight?

• A

• B

• c

• d

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 

• F/3
• F/2
• F/6
• F/9

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NGSS.HS-PS2-4

An apple is hangs on a tree on the earth, Which of the following statements is correct about the interaction between the apple and the earth? 

• The force on the apple is greater that the force on the Earth.
• The force on the apple is equal to the force on the earth
• The force on the Earth is larger than the force on the apple.
• The forces on the apple and the earth are zero because they are not touching each other. 

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

A lamp sitting on a table is demonstrating Newton's ___ Law.

• 1st

• 2nd

• 3rd

• 4th

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Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)

• force or applied force

• weight

• gravity

• mass

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NGSS.HS-PS2-1

Which of Newton’s Laws explains a rocket’s movement during launch?

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Newton's Fourth Law of Motion

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NGSS.MS-PS2-1

An automobile you are riding in suddenly stops, but you continue to go forward.

• Newton's
  1st
  Law of Motion
• Newton's
  2nd
  Law of Motion
• Newton's
  3rd
  Law of Motion

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NGSS.MS-PS2-2