NEET Physics Systems of Particles and Rotational Motion Questions Solved


If F be a force acting on a particle having the position vector r and τ be the torque of the force about the origin, then;(a) r.τ=0 and F.τ=0                 (b) r.τ=0 and F.τ0(c) r.τ0 and F.τ0                 (d)r.τ0 and F.τ=0 

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