Rotational Motion-Conservation of Angular Momentum (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 2 of 2

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Question number: 1

» Rotational Motion » Conservation of Angular Momentum

MCQ▾

Question

A cord is wound round the circumference of wheel of radius r. The axis of the wheel is horizontal and moment of inertia about it is I. A weight mg is attached to the end of the cord and falls from the rest. After falling through a distance h the angular velocity of the wheel will be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Rotational Motion » Conservation of Angular Momentum

Appeared in Year: 2017

MCQ▾

Question

Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the plane of disc with angular velocities Equation . They are brought into contact face to face coinciding the axis of rotation. The expression for loss of energy during this process is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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