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antoniya [11.8K]
3 years ago
12

I need the evaluation

Physics
1 answer:
GalinKa [24]3 years ago
3 0

Answer:

The maximum torque exerted by the person is, τ = 89.96 kg m² s⁻²

Explanation:

Given data,

The mass of the person riding a bike, m = 54 kg

The radius of rotation of the pedal, r = 17 cm

                                                       = 0.17 m

The torque exerted by the person is given by the formula,

                           τ = F r Sin θ

Where,

                          θ is the angle between F and R

The maximum torque exerted by the person is at θ = 90°

Therefore,

                            τ = F r

                                = m x g x r

                                = 54 x 9.8 x 0.17

                                = 89.96 kg m² s⁻²

Hence, the maximum torque exerted by the person is, τ = 89.96 kg m² s⁻²

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