Calculating Force of Gravity Problems

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Questions and Answers

What is the force of gravity between the Sun and Venus?

$1.43 \times 10^{22}$ N

What is the force of gravity on a 40 kg person on Earth?

$384.77$ N

What is the force of gravity between two objects of masses 100 kg and 3,000 kg?

$4.08$ N

How does the change in distance affect the force of gravity between the Moon and the Earth?

<p>It decreases by a factor of 16</p> Signup and view all the answers

How does the change in the mass of the Sun affect the force of gravity between the Sun and the Earth?

<p>It decreases by a factor of 4</p> Signup and view all the answers

A. Is there a force between you and your desk? b. Can you feel it? c. Why/why not?

<p>a. Yes. b. Yes. c. Gravity acts as the force between you and your desk, but you may not feel it because the force is very large compared to other forces acting in the environment.</p> Signup and view all the answers

What force keeps planets orbiting the Sun?

<p>Gravitational force</p> Signup and view all the answers

Is the force that keeps planets orbiting the Sun attractive, repulsive, or both?

<p>Attractive</p> Signup and view all the answers

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