Gravity and Newton's Laws Quiz

True or False: The mass of an object is always equal to the weight of that object.

• True
• False

If the mass of an object is doubled, how does that change the amount of force needed to stop it?

• Force needed is doubled
• Force needed stays the same
• Force needed become zero
• Force needed is tripled

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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Which law best explains why the coin sitting on top of the ring falls directly into the jar below because it wants to remain at rest?

• Newton's Law of Inertia
• Newton's Law of F=ma
• Newton's Law of Force Pairs
• Newton's Law of Science

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

• The cannon moving forward
• The cannonball moving forward
• The cannon moving backward
• The cannonball moving backward

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If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

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What will be the effect on the boy in the picture if the driver stops quickly?

• Because of inertia he will remain in the same position.

• He will be pushed back into the car seat.

• He will move from one side of the car seat to the other.

• He will move forward pressing against the seatbelt.

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What is the unit of measurement for mass?

• Gram
• Newtons
• Meters
• Meters per second

What is the unit of measurement for acceleration?

• Gram
• Newtons
• Miles
• Meters per second squared

A book has a weight of 12N on the Earth. The moon has 1/6 the mass of the Earth and due to this it exerts gravitational force that is 1/6 that of the Earth’s gravitational force. What is the weight of the book on the moon?

• 2N
• 2g
• 12N
• 12g
• 72N

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