Week 12- ULOG Practice Problems

Multiple Choice

If one object’s mass doubles, what happens to the gravitational force?

• The gravitational force doubles.
• The gravitational force triples.
• The gravitational force remains the same.
• The gravitational force decreases.

Multiple Choice

If the distance between two objects is cut in half, what happens to the gravitational force?

• The gravitational force remains unchanged.
• The gravitational force decreases by a factor of two.
• The gravitational force increases by a factor of three.
• The gravitational force increases by a factor of four.

Multiple Choice

If both objects’ masses double and the distance doubles, what happens to the gravitational force?

• The gravitational force remains the same.
• The gravitational force becomes zero.
• The gravitational force decreases by half.
• The gravitational force increases by four times.

Open Ended

Imagine two identical planets, Planet A and Planet B. Planet A is twice as far from the Sun as Planet B.
Which planet experiences a stronger gravitational pull from the Sun, and why?

Use Newton’s Law of Universal Gravitation in your explanation.