(a) To determine The tension in the string. Explanation Refer Figure 5.121. Write the expression for equilibrium of the conical pendulum along vertical direction. T cos ϕ − m g = 0 Here, T is the tension, m is the mass, ϕ is the angle and g is the acceleration due to gravity. Conclusion: Re-arrange the equation to get T (b) To determine The time period.

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Chapter 5, Problem 21P

(a)

To determine

The tension in the string.

(b)

To determine

The time period.

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Chapter 5, Problem 20P

Chapter 5, Problem 22P

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