1.

A 55 kg person riding a bike puts all her weight on each pedal when climbing a hill. The pedals rotate in a circle of radius 17 cm. What is the maximum torque she exerts?125.2 mN179 mN42 mN91.6 mN

Answer»

her body weight exerts FORCE = mg = 55*9.8= 539N ( the QUES says each pedal )

TORQUE = R * F

torque = 0.17 m * 539N

torque = 91.6 Newton.



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