Qstnid -Ii-7-a Body Is Rotating Nonuniformity About A Vertical Axis Fixed In An Inertial Frame. The Resultant Force On A Particle Of The Body Not On The Axis Is - 10: Rotational Mechanics - Neet-xii-physics

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NEET-XII-Physics

10: Rotational Mechanics

with Solutions - page 3

Qstn# ii-7 Prvs-Qstn Next-Qstn

#7
A body is rotating nonuniformity about a vertical axis fixed in an inertial frame. The resultant force on a particle of the body not on the axis is
(a) vertical
(b) horizontal and skew with the axis
(c) horizontal and intersecting the axis
(d) none of these.
digAnsr: b
Ans : (b) horizontal and skew with the axis
The resultant force on a particle of the body rotating non-uniformly is always horizontal and skew with the rotation axis because net torque on the body is non-zero.
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