Rotational Motion (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 12 - 14 of 14

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Question number: 12

» Rotational Motion » Rotational Kinetic Energy

MCQ▾

Question

A body rolls down an inclined plane. If its rotational kinetic energy is 50 % of its translation kinetic energy, then the body is –

Choices

Choice (4) Response

a.

A rod

b.

A ring

c.

A solid sphere

d.

A solid cylinder

Question number: 13

» Rotational Motion » Moment of Inertia

MCQ▾

Question

An equilateral triangle is formed by three identical uniform rods each of length L and mass M. The moment of inertia of the system about an axis passing through one corner is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 14

» Rotational Motion » Angular Momentum

Appeared in Year: 2016

MCQ▾

Question

A particle at a distance of Equation from the origin starts moving such that Equation , where Equation are polar coordinates. Then the angle between resultant velocity and tangential velocity component is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Dependent on where the particle is.

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