A person of mass m is standing at the end of a beam of uniform density and with

Question

A person of mass m is standing at the end of a beam of uniform density and with mass M. The beam is supported by two ropes as shown. If we know the tension in the right rope, the mass of the person (m), and the length of the beam, and are asked to find the tension in the left rope, where should we put our axis of rotation? At the location where the right rope attaches to the beam At the left edge of the beam At the location where the left rope attaches to the beam OAt the midpoint of the beam O At right edge of the beam (where the person is standing)

Explanation / Answer

Solution) It is option (e)

That is

At right edge of the bean ( where the person is standing)

As we take counter clockwise torques

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