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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 5 - Rotational Motion > A slab is subjected to two forces F→1andF→2 of same magnitude F as shown in the figure . Force F→2 is in XY-plane while force F1 acts along z-axis at the point (2I→+3j→) .The moment of these forces about point O will be :

A slab is subjected to two forces F→1andF→2 of same magnitude F as shown in the figure . Force F→2 is in XY-plane while force F1 acts along z-axis at the point (2I→+3j→) .The moment of these forces about point O will be :

A person of mass M is assuming that his centre of mass moves by a distance ℓ(ℓ sitting on a swing of length L and swinging with an angular amplitude θ0. If the person stands up when the swing passes through its lowest point the work done by him