Concept explainers
a.
The gravitation attractive force between Earth and the Moon.
a.
Answer to Problem 63A
Explanation of Solution
Given:
The mass of the Earth is
Formula used:
Gravitational force:
Where,
Calculation:
The value of gravitational constant is,
Then using the given values of masses of Earth and the Moon, and the distance between them, the gravitational force between them will be,
Conclusion:
Thus, the gravitational attractive force between the Earth and the Moon is
b.
The Earth’s gravitational field at the Moon.
b.
Answer to Problem 63A
Explanation of Solution
Given:
The mass of the Moon is
From part (a), the gravitational attractive force between Earth and the Moon is
Formula used:
The weight of an object of mass m is given by,
Where g is the strength of the gravitational field.
Calculation:
The weight of the Moon due the Earth’s gravitational field will be equal to the force of attraction between them, thus
Conclusion:
Thus, the Earth’s gravitational field at the Moonis
Chapter 7 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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