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

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 268 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

## 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.

b.

c.

d.

## Question number: 14

» Rotational Motion » Angular Momentum

Appeared in Year: 2016

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

Dependent on where the particle is.

f Page