Equilibrium of Rigid Bodies, Rigid Body Rotation and Equations of Rotational Motion NEET Questions

Physics - Rotational Motion

Equilibrium of Rigid Bodies, Rigid Body Rotation and Equations of Rotational Motion MCQ Questions


13.

The parallel axis theorem states that I=Icm+Md2. The term ddd represents

A.

Distance between axes

B.

Mass of body

C.

Torque applied

D.

Rotational KE

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ANSWER :

A. Distance between axes

14.
Which of the following is correct for a rigid body in equilibrium?
A.
Net force = 0
B.
Net torque = 0
C.
Both A and B
D.
None of these
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ANSWER :
C. Both A and B
15.
A force applied at a larger perpendicular distance from the axis of rotation produces
A.
Constant torque
B.
Lesser torque
C.
No torque
D.
Greater torque
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ANSWER :
D. Greater torque
16.
A constant torque acting on a rigid body produces
A.
No rotational motion
B.
Constant angular velocity
C.
Constant moment of inertia
D.
Constant angular acceleration
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ANSWER :
D. Constant angular acceleration
17.
If a body is in static equilibrium, then
A.
None of these
B.
The net force is zero but torque is nonzero
C.
The torque is zero but force is nonzero
D.
The net force and net torque are both zero
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ANSWER :
D. The net force and net torque are both zero
18.
A solid disc and a ring of the same mass and radius roll down an inclined plane. Which reaches the bottom first?
A.
Both together
B.
Ring
C.
Disc
D.
Cannot be determined
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ANSWER :
C. Disc