What is the normal force on the middle support

Reference no: EM13343040

A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. Two students (each of mass m = 75 kg) decide to stand on the plank. The first student stands directly between the two supports.

(a) Where must the second student stand, so that the normal force on the left support is 0?

(b) What is the normal force on the middle support?

Reference no: EM13343040

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