Laws of Motion 4 Question 8

8. A simple pendulum with a bob of mass m swings with an angular amplitude of 40. When its angular displacement is 20, the tension in the string is greater than mgcos20.

(1984,2M)

Analytical & Descriptive Questions

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Answer:

Correct Answer: 8. T

Solution:

  1. Tmgcos20=mv2R or T=mgcos20+mv2R


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