Physics · 2021
JEE Main · 26 February 2021, Shift 1 · Q4
Find the gravitational force of attraction between the ring and sphere as shown in the diagram, where the plane of the ring is perpendicular to the…
Find the gravitational force of attraction between the ring and sphere as shown in the diagram, where the plane of the ring is perpendicular to the line joining the centres. If $\displaystyle \sqrt{8} R$ is the distance between the centres of a ring (of mass ' $\displaystyle m$ ') and a sphere (mass $\displaystyle { }^{\prime} M^{\prime}$ ) where both have equal radius ' $\displaystyle R$ '.
Official answer
(1)
$\displaystyle \frac{\sqrt{8}}{27} \cdot \frac{\mathrm{GmM}}{\mathrm{R}^2}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.