Question

A uniform plank of length 2.00 m and mass 31.0 kg is supported by three ropes,...

A uniform plank of length 2.00 m and mass 31.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 685–N person is d = 0.500 m from the left end.

magnitude of

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N
magnitude of

Trightarrowhead.gif2

    
N
magnitude of

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N

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Answer #1

Balancing the moment of forces about left end : Tx2mx sin 40°= 31gx 1m + 685 Nx0.5m - - T = 502.7 N Answer Balancing the forc

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