Newton's Laws of Motion Quiz

What causes all acceleration?

• Gravity

• Friction

• Balanced forces

• Unbalanced forces

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What would increase the acceleration of an object?

• Decreasing its mass

• Increasing its mass

• Decreasing the force in the direction of its motion

• Increasing the force in the opposite direction of its motion

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Tim and Moby are wearing the same roller skates. Cassie pushes them both on the same surface with equal force. Why would Tim move farther than Moby?

• Less friction acts on him

• The force of gravity is weaker on him

• Tim is shorter than Moby

• Tim has less mass than Moby

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A 1,000-pound moose charges at a 1,500-pound moose, and they collide. Which moose exerts the greater force?

• A) The 1,000-pound moose, because it was the one pushing

• B) The 1,500-pound moose, because it is heavier

• C) They exert an equal force on each other

• D) There is not enough information to determine the answer

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A carton of eggs is sitting in the backseat of a car when the driver slams on the brakes. What will happen to the carton of eggs?

• It will be launched forward off of the seat

• It will slide backward on the seat

• It will be lifted upward off the seat

• It will not move

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Fill in the blanks to complete the sentences. Not all the words will be used.

A banana resting on a table pushes on the table with a force __________ the force that the table exerts on it, because of Newton's __________ law. The forces acting on the banana are __________. The banana won't suddenly start to move because of Newton's __________ law, which states that objects move because of __________ forces.

(a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• equal to
• 3rd
• balanced
• 1st
• unbalanced
• 2nd

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A person inside an airplane traveling at a high speed does not feel like the plane is moving. Which of the following explains this phenomenon?

• The forces acting on the plane are unbalanced

• The forces acting on the plane are balanced

• The plane is accelerating

• The plane has more mass than a person does

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Which observations support Newton's second law of motion? Choose three.

• It is more difficult to lift a heavy object than a lighter one

• A rock will stay in the same place forever unless a force acts on it

• A rocket launches by thrusting down towards the ground

• The harder you push a shopping cart, the faster it will accelerate

• The more groceries you have in a shopping cart, the harder it is to push

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