# Rotational Motion-Torque (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 11 - 15 of 25

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## Question number: 11

» Rotational Motion » Torque

MCQ▾

### Question

A constant torque of 1000 N -m, turns a wheel of moment of inertia 200 kg -m 2 about an axis passing through the center. Angular velocity of the wheel after 3 s will be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 12

» Rotational Motion » Torque

MCQ▾

### Question

A constant torque acting on a uniform circular wheel changes its angular momentum from Aq to 5Aq in 4 seconds. The magnitude of this torque is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 13

» Rotational Motion » Torque

MCQ▾

### Question

A wheel having moment of inertia 2 kg -m 2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel’s rotation in 1 minute would be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 14

» Rotational Motion » Torque

MCQ▾

### Question

A horizontal force F is applied such that the block remains stationary, then which of the following statement is false

### Choices

Choice (4) Response

a.

F = N [where N is the normal reaction]

b.

F will not produce torque

c.

N will not produce torque

d.

f = mg [where f is the friction force]

## Question number: 15

» Rotational Motion » Torque

MCQ▾

### Question

A wheel having moment of inertia 5 kg -m 2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel’s rotation in 1 minute would be

### Choices

Choice (4) Response

a.

b.

2 π 15 N m

c.

d.

f Page