Gravitational Force: a Small Planet Having a Radius of 1000

question 48

Multiple Choice

Gravitational force: A small planet having a radius of 1000 km exerts a gravitational force of 100 N on an object that is 500 km above its surface. If this object is moved 500 km farther from the planet, the gravitational force on it will be closest to

• A) 75 N.
• B) 71 N.
• C) 56 N.
• D) 50 N.
• E) 25 N.

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Enhancement

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