Problem 6-53 parts (a), (b), and (c) Centripetal force - Part 4 - B
A conical pendulum consists of a mass (the bob) on the end of a string. As the bob travels in a horizontal circle at constant speed, the string traces out a cone. For the pendulum shown, mass m=1.95kg, length l=1.03m, and angle θ=36.9∘.
(a) Draw a free body diagram for the bob at the instant shown.
(b) What force constitutes the centripetal force?
(c) Determine the speed of the bob.
Accumulated Solution
Tcosθ=mg
No. g acts only vertically.
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