Concept explainers
Factor of changing force of gravity.
Answer to Problem 60A
The resulting force of gravity between the planets is 4 times the initial force.
Explanation of Solution
Given:
Mass of both planets is doubled.
Distance between the planets remains the same.
Formula Used:
From Newton’s law of gravitation,
Calculation:
Let the initial force of gravity is,
As, Mass of both planets is doubled.
So,
And distance between the planets remains the same.
So,
Therefore, the resulting force of gravity between the planets is
It means the force is increased.
Conclusion:
Therefore, the resulting force of gravity between the planets is 4 times the initial force.
Chapter 13 Solutions
Conceptual Physics: The High School Physics Program
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