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The angular displacement of a particle, rotating with constant angular acceleration is $θ = 14 t + 4 t^{2}; θ$ is measured in radian and $t$ in second. The angular acceleration of the particle is,

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Important Questions on Dynamics of Uniform Circular Motion

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 11

A cyclist moves in a circular path of radius

r

with constant speed

v

. The angle to which he is inclined to the vertical plane is

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11th West Bengal Board

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 12

A particle of mass

m

is revolving along a circular path of constant radius

r

in such a way that its centripetal acceleration

a_{r}

is changing with time

t

according to the equation

a_{r} = k^{2} r t^{2}

where

k

is constant. The power exerted by the force acting on the particle is

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 13

The kinetic energy

K

of a particle moving along a circle of radius

R

depends on the distance covered

s

K = a s^{2}

. The force acting on the particle is

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11th West Bengal Board

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 14

A motor car is moving with a speed of

30 m / s

on a circular track of radius

500 m

. Its speed is increasing at the rate of

2 m / s^{2}

. What will be its resultant acceleration?

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 15

A body of mass

100 gm

is rotating in a circular path of radius

r

with constant speed. The work done in one complete revolution is

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 16

For a body moving with constant speed in horizontal circle, which of the following remains constant.

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 17

A coin is placed on a gramophone record rotating at a speed of

45

r.p.m. It flies away when the rotational speed is

50

r.p.m. If two such coins are placed one over the other on the same record, both of them will fly away when rotational speed is

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 8 - Dynamics of Uniform Circular Motion>EXERCISE>Q 18

A motorcycle is going on an overbridge of radius

R

. The driver maintains a constant speed. As the motorcycle is ascending on the overbridge, the normal force on it

The angular displacement of a particle, rotating with constant angular acceleration is θ=14 t+4 t2; θ is measured in radian and t in second. The angular acceleration of the particle is,

Important Questions on Dynamics of Uniform Circular Motion

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The angular displacement of a particle, rotating with constant angular acceleration is $θ = 14 t + 4 t^{2}; θ$ is measured in radian and $t$ in second. The angular acceleration of the particle is,