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Q. 14.16 (b) Answer the following questions :
(b) The motion of a simple pendulum is approximately simple harmonic for small angle oscillations: For larger angles of oscillation, a more involved analysis shows that T is greater than Think of a qualitative argument to appreciate this result.
Answers (1)
In reaching the result we have assumed sin(x/l)=x/l. This assumption is only true for very small values of x
. Therefore it is obvious that once x takes larger values we will have deviations from the above-mentioned value.
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