Richa weighing 40 kgf leaves point P on her skateboard and reaches point Q on the ground with velocity 10 ms⁻¹. Calculate:

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TextPrinciple of MomentsTypes of Levers and Their Classes3 sub-questions

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A non uniform beam of weight 120 N pivoted at one end is shown in the diagram below. Calculate the value of F to keep the beam in equilibrium.

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TextPrinciple of MomentsTypes of Levers and Their Classes