A bicycle mechanic is checking a road bike's chain. He applies force F = 45 N...

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Answer 1

Answer #1

Balancing the moments,

(0.16/2) x T sin(90) = 0.17 x 45 x sin(70)

0.08 x T = 7.65 x 0.9396

T = 89.86 N

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Answer 2

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