Concept explainers
The gravitational force exerted by balls 1 and 2 on ball 3.
Answer to Problem 37P
The gravitational force exerted by balls 1 and 2 on ball 3 is
Explanation of Solution
Write the expression for the force between ball 1 and 3.
Here,
Write the expression for the force between ball 1 and 3.
Here,
Write the component of force along
Write the component of force along
Write the expression for the magnitude of net force.
Write the expression for the direction of net force.
Conclusion:
Substitute,
Substitute,
From the graph the values of trigonometric expressions are.
Substitute,
Substitute,
Substitute,
Substitute,
Therefore, the gravitational force exerted by balls 1 and 2 on ball 3 is
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Chapter 5 Solutions
College Physics, Volume 1
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