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12 Questions

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Gravity MCQ 1

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Questions and Answers

What is the force of attraction between two point masses according to Newton's Law of Universal Gravitation?

Directly proportional to the square of the distance between them

Inversely proportional to the square of the distance between them (correct)

Directly proportional to the sum of their masses

Inversely proportional to the sum of their masses

If the distance between two masses is tripled, how is the force of attraction affected?

It is divided by 6

It is divided by 9 (correct)

It is divided by 3

It is divided by 4

In the context of bodies (not point masses), what does 'd' represent in Newton's Law of Universal Gravitation?

Distance between their center of masses (correct)

Square of their masses

Sum of their masses

Product of their masses

Why can't the moon sustain an atmosphere like Earth does?

Its mass is too small Signup and view all the answers

What happens when an object reaches terminal velocity during free fall?

Air resistance equals its weight Signup and view all the answers

What is the acceleration experienced by a body in free fall within a massive body's gravitational field called?

$g$ acceleration Signup and view all the answers

Which factor(s) determines the force of gravity between two masses?

All of the above Signup and view all the answers

What does an inverse square law mean in the context of Newton's Law of Universal Gravitation?

The force of attraction is inversely proportional to the square of the distance between the masses. Signup and view all the answers

What would happen to the force of attraction if the distance between two masses is halved?

The force of attraction would increase by a factor of 4. Signup and view all the answers

How does the mass of an object affect its weight?

Weight is directly proportional to mass. Signup and view all the answers

In relation to terminal velocity, what happens when the force of air resistance becomes equal to an object's weight?

The object stops accelerating and reaches a constant velocity. Signup and view all the answers

How does acceleration due to gravity change as you move further away from a massive body?

Acceleration due to gravity decreases. Signup and view all the answers