Rotational Motion-Torque (NEET Physics): Questions 11 - 15 of 25

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

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.

1 rad/s

b.

15 rad/s

c.

10 rad/s

d.

5 rad/s

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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

Stationary block with horizontal force F

Stationary Block With Horizontal Force F

In above figure we shows that force F is applied as the block is stationary.

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.

Equation

b.

2 π 15 N m

c.

Equation

d.

Equation

f Page
Sign In