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A pot maker rotates pot making wheel of radius $3 m$ By applying a force of $200 N$ Tangentially. Because of this, the wheel completes exactly $1 \frac{1}{2}$ Revolution. The work done by him is,

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Important Questions on Rotational Motion

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 72

Assertion: A solid cylinder of mass $m$ and radius $R$ rolls down an inclined plane of height
$H$ . The rotational kinetic energy of the cylinder when it reaches the bottom of the plane is $\frac{m g H}{3}$ .

Reason: The total energy of the cylinder remains constant throughout its motion.

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 1

The moment of inertia of a body depends upon,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 2

If radius of solid sphere is doubled by keeping its mass constant, then,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 3

Two circular discs

A

and

B

Have equal masses and uniform thickness but have densities

d_{1}

and

d_{2}

Such that

d_{1} \geq d_{2}

. Their moments of inertia about an axis passing through centre and perpendicular to plane can be related by,

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 4

Two discs having same mass rotate about the same axes. If

ρ_{1}

and

ρ_{2}

be the densities of two bodies

(ρ_{1} > ρ_{2}),

then what is the relation between

I_{1}

and

I_{2} ?

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 5

Five particles of mass

2 kg

Each are attached to the rim of a circular disc of radius

0.1 m

And negligible mass. Moment of inertia of the system about the axis passing through the centre of the disc and perpendicular to its plane is

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 6

From a uniform wire, two circular loops are made

(i) P

of radius

r

and

(ii) Q

of radius

n r

. If the moment of inertia of

Q

about an axis passing through its centre and perpendicular to its plane is

8

times that of

P

about a similar axis, the value of

n

is (diameter of the wire is very much smaller than

r

n r

)

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Competitive Thinking>Q 7

Three rings each of mass $M$ and radius $R$ are arranged as shown in the figure. The moment of inertia of the system about $Y Y$ ' will be

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A pot maker rotates pot making wheel of radius 3 m By applying a force of 200 N Tangentially. Because of this, the wheel completes exactly 112 Revolution. The work done by him is,

Important Questions on Rotational Motion

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A pot maker rotates pot making wheel of radius $3 m$ By applying a force of $200 N$ Tangentially. Because of this, the wheel completes exactly $1 \frac{1}{2}$ Revolution. The work done by him is,