- Introduction
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- Angular velocity and angular acceleration
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- Rotation with constant angular acceleration
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- Kinetic energy of Rotation
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- Calculation of moment of inertia
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- Theorems of Moment of Inertia
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- Torque
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- work and power in rotational motion
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- Torque and angular acceleration
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- Angular momentum and torque as vector product
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- Angular momentum and torque of the system of particles
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- Angular momentum of the system of particles with respect to the center of mass of the system
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- Radius of gyration
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- Kinetic Energy of rolling bodies (rotation and translation combined)
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- Solved examples

In this page we have *Linked Type Comprehension questions on rotation for JEE Main/Advanced* . Hope you like them and do not forget to like , social share
and comment at the end of the page.

A particle of mass m moves such a way that momentum vector varies as

Where

a)

b)

c)

d)

a)

b)

c)

d)

An object of mass M collides with a frictionless surface. The surface is assumed to be x-axis and object is coming at an angle θ to the x-axis. The object bounces from the surface but the collision is not elastic

The initial velocity vector of the object

The vertical component of the velocity undergoes a change due to the impact. The magnitude is fraction e of the original vertical components

The situation is depicted below in the figure

a)

b)

c)

d)

a)

b)

c)

d)

a)

b)

c)

d)

a) Momentum remain conserved in the X –direction

b) There is no loss of kinetic energy of the object

c) The force during the collision acts in upward direction on the object

d) The ratio of the final KE to the initial KE is

The first part goes with the velocity (v

The second part goes with the velocity v

What is the velocity vector for the third part?

a) (v

b) (-v

c) (v

d) None of these

a) v

b) v/2

c) v/4

d)

A rocket ascends from rest in a uniform gravitational field by ejecting exhaust with constant speed u. The rate of expulsion is where m is the instantaneous mass of the rocket and λ is constant. The rocket is also retarded by air resistance with a force (mbv) where b is constant

a)

b)

c)

d)

a)

b)

c)

d)

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