Force Problems with Motion Video Lessons

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Problem: A gymnast of mass 69.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 m/s2 for the acceleration of gravity.Calculate in Newtons:The tension T in the rope if the gymnast climbs the rope at a constant rate.

FREE Expert Solution

Newtons's second law:

ΣF=ma

Take up to be positive.

At a constant rate, acceleration is zero.

mg acts downward.

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Problem Details
A gymnast of mass 69.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 m/s2 for the acceleration of gravity.

Calculate in Newtons:

The tension T in the rope if the gymnast climbs the rope at a constant rate.

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