NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 2037 - 2040 of 2142

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Question number: 2037

» Rotational Motion » Concepts of Rotational Motion

MCQ▾

Question

One solid sphere and a disc of same radius are falling along an inclined plane without slip. One reaches earlier than the other due to,

(1) Different size

(2) Different radius of gyration

(3) Different moment of inertia

(4) Different friction

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1 and 2 are correct

c.

1 and 3 are correct

d.

1, 2 and 3 are correct

Question number: 2038

» Rotational Motion » Rotational Kinetic Energy

MCQ▾

Question

A body is rolling down an inclined plane. Its translational and rotational kinetic energies are equal. The body is not a,

(1) Solid sphere

(2) Hollow sphere

(3) Solid cylinder

(4) Hollow cylinder

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1 and 2 are correct

c.

1, 2 and 3 are correct

d.

1 and 3 are correct

Question number: 2039

» Rotational Motion » Moment of Inertia

MCQ▾

Question

What is the moment of inertia of inertia of a wheel of mass m and radius R having two spokes each of mass m? (The axis of rotation perpendicular to plane and passing through center)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2040

» Rotational Motion » Rigid Body Rotation Equations of Rotational Motion

MCQ▾

Question

A wheel has a speed of 2100 revolutions per minute and is made to slow down at a rate of 5 radians /s 2. The number of revolutions is makes before coming to rest is

Choices

Choice (4) Response

a.

770

b.

543

c.

722

d.

272

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