Angular Momentum and Conservation of Angular Momentum and its Applications NEET Questions

Physics - Rotational Motion

Angular Momentum and Conservation of Angular Momentum and its Applications MCQ Questions


13.
The angular momentum of a system of particles is equal to the sum of:
A.
Individual linear momenta
B.
Individual angular momenta
C.
Torques acting on the system
D.
External forces on the system
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ANSWER :
B. Individual angular momenta
14.
A torque applied to a body causes a change in:
A.
Angular momentum
B.
Linear momentum
C.
Mass
D.
Energy
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ANSWER :
A. Angular momentum
15.
The relation between torque (Ï„) and angular momentum (L) is:
A.
τ = L × r
B.
Ï„ = dL/dt
C.
τ = I × α
D.
τ = F × r
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ANSWER :
B. Ï„ = dL/dt
16.
Which of the following has the highest moment of inertia?
A.
Solid sphere
B.
Solid cylinder
C.
Thin ring
D.
Hollow sphere
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ANSWER :
C. Thin ring
17.
The angular momentum of an object changes when:
A.
A force is applied
B.
A torque is applied
C.
It moves in a straight line
D.
Its velocity is constant
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ANSWER :
B. A torque is applied
18.
The motion of planets around the Sun is an example of:
A.
Conservation of linear momentum
B.
Conservation of angular momentum
C.
Conservation of energy
D.
None of these
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ANSWER :
B. Conservation of angular momentum