A stone of mass 900 ~g is tied to a string and moved in a vertical circle of radius 1 ~m making 10 ~rpm. The tension in the string, when the stone is at the lowest point is (if π²=9.8 and g=9.8 ~m / s²):

Kinematics: JEE Main 2024 Physics question

JEE Main 2024 · 29 Jan, Evening shift · Q6296

JEE Main 202429 Jan, Evening shiftPhysicsMediumKinematics177× since 2002

A stone of mass

900 \mathrm{~g}

is tied to a string and moved in a vertical circle of radius

1 \mathrm{~m}

making

10 \mathrm{~rpm}

. The tension in the string, when the stone is at the lowest point is (if

\pi^2=9.8

and

g=9.8 \mathrm{~m} / \mathrm{s}^2

) :