Concept explainers
Earth and the moon are gravitationally attracted to each other. Does the more massive Earth attract the moon with a greater force, the same force, or less force than the moon attracts Earth?
Whether more massive earth attracts moon with greater force, same force or less force.
Answer to Problem 32A
More massive earth attracts moon with greater force.
Explanation of Solution
Given:
Earth and Moon are attracted to each other due to gravity.
Formula used :
Where, G is gravitational constant
Calculation :
Let mass of earth is
Now, substituting the value of
From the above expression it is clear that gravitational force is directly proportional to mass of earth therefore more massive earth attracts moon with greater force.
Conclusion :
Therefore, more massive earth attracts moon with greater force.
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