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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 5 - Rotational Motion > A rigid massless rod of length 3l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration will be :

A rigid massless rod of length 3l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration 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