Chapter B, Problem 14E

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4th Edition

James Stewart + 2 others

ISBN: 9781305071742

Textbook Problem

**13-14 Newton’s Law of Gravity **The gravitational force (in Newton) between two objects with mass

Where,

**14 **The sun and the earth are

**(a) **Find the gravitational force between the sun and the earth.

**(b) **Convert your answer in part(a) from Newton to pounds using the fact that

To determine

(a)

The gravitational force between the satellites.

Explanation

**Given:**

The distance between the Sun and Earth is

The mass of the Sun is

The mass of the Earth is

**Approach:**

The formula for gravitational force is,

Here,

The significant figures in a number are one from first nonzero digit to the last nonzero digit when reading from left to right.

When multiplying or dividing, round off the final result so that it has as many as significant digits as in the given values with the fewest number of significant digits.

**Calculation:**

Substitute

To determine

(b)

**To find:**

The answer obtained in part