17. Periodic Motion
Spring Force (Hooke's Law)
19:33 minutes
Problem 13c
Textbook Question
Textbook QuestionA thin, uniform rod has length L and mass M. A small uniform sphere of mass m is placed a distance x from one end of the rod, along the axis of the rod (Fig. E13.34)
. (b) Use Fx = -dU>dx to find the magnitude and direction of the gravitational force exerted on the sphere by the rod (see Section 7.4). Show that your answer reduces to the expected result when x is much larger than L.Verified Solution
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