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Rotational Motion question

2021 · 16 Mar · Shift 1 · Q65
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  5. /2021 · 16 Mar · Shift 1 · Q65

Rotational Motion question

2021 · 16 Mar · Shift 1 · Q65

JEE MainPhysicsRotational MotionNumerical+4 / −1
Consider a 20 kg uniform circular disk of radius 0.2 m. It is pin supported at its center and is at rest initially. The disk is acted upon by a constant force F = 20 N through a massless string wrapped around is periphery as shown in the figure. JEE Main 2021 (Online) 16th March Morning Shift Physics - Rotational Motion Question 125 English Suppose the disk makes n number of revolutions to attain an angular speed of 50 rad s −-− 1. The value of n, to the nearest integer, is ‾\underline{\hspace{2cm}}​. [Given : In one complete revolution, the disk rotates by 6.28 rad]
Numerical answer
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