Physics, 10.04.2021 08:40 elf55

A uniform plank of mass 10kg and length 10m rests on two supports, A and B as shown. A boy of weight 500N stands at a distance of 2m from A. Find the reaction forces U¹ and U² at the supports A and B respectively

A uniform plank of mass 10kg and length 10m rests on two supports, A and B as shown. A boy of weigh

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A uniform plank of mass 10kg and length 10m rests on two supports, A and B as shown. A boy of weight...