# Rotational Motion-Torque (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 2 of 2

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## Question number: 1

» Rotational Motion » Torque

Appeared in Year: 2014

MCQ▾

### Question

A simple pendulum is attached to the block which slides without friction down an inclined plane (ABC) having an angle of inclination α as shown.

While the block is sliding down the pendulum oscillates in such a way that its mean position the direction of the string is –

### Choices

Choice (4) Response

a.

vertically downwards

b.

parallel to the inclined plane AC.

c.

at angle α to the perpendicular to the inclined plane AC.

d.

perpendicular to the inclined plane AC.

## Question number: 2

» Rotational Motion » Torque

Appeared in Year: 2013

MCQ▾

### Question

A wheel of radius R with an axle of radius is shown in the figure and is free to rotate about a frictionless axis through its centre and perpendicular to the page. Three forces (F, F, 2F) are exerted tangentially to the respective rims as shown in the figure,

The magnitude of the net torque acting on the system is nearly

### Choices

Choice (4) Response

a.

1.5 FR

b.

3.5FR

c.

2.5 FR

d.

3.2 FR

f Page