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Questions  

Tangential acceleration on a bob of a simple pendulum of mass 100 grams when its amplitude is 1o  is (here g=10m/s2)

a
0.017 m/sec2
b
1.7 m/sec2
c
0.17 m/sec2
d
0.034 m/sec2

detailed solution

Correct option is C

Tangential acceleration        aT=gsinθaT=gθ      because     sinθ≃θ if θ is very small =10×π/180       here θ=1o=π/180 radian aT=3.1418=0.17 m/sec2

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