# Rotational Motion (KVPY Stream-SA (Class 11) Physics): Questions 1 - 3 of 3

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## Question number: 1

» Rotational Motion » Concepts of Rotational Motion

MCQ▾

### Question

A rope is wound around a hollow cylinder of mass 4.2 kg and radius 0.7 m. Calculate the angular acceleration of the cylinder, if the rope gets pulled with a force of 46 N. Also, find the linear acceleration of the rope.

### Choices

Choice (4) Response

a.

9.546

b.

8.756

c.

10.948

d.

Question does not provide sufficient data or is vague

## Question number: 2

» Rotational Motion » Radius of Gyration

MCQ▾

### Question

Radius of gyration of a body about an axis at a distance of 5 cm from its centre of mass is 15 cm. The radius of gyration about a parallel axis passing through its centre of mass is:

### Choices

Choice (4) Response

a.

14.14 cm

b.

13.95 cm

c.

15.25 cm

d.

14.35 cm

## Question number: 3

» Rotational Motion » Angular Momentum

MCQ▾

### Question

Four balls A, B, C, D of mass 2kg, 6kg, 7kg, 9 kg, respectively are oscillating in turn on a spring of force constant 80 Nm-1. Deduce the angular frequencies of balls are , than,

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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