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

__Linked Type Comprehension__

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

Where **i** and **j** are unit vector across x and y axis

**Question 1** Find the Force vector on the mass where

a) **j**

b)** –j**

c)** i +j**

d)** i -j**

**Question 2** Find the impulse on the mass over the period t and t+?t

a)

b)

c)

d)

__Linked Type Comprehension__

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

**Question 3** Find the velocity vector after the collision

a)

b)

c)

d)

**Question 4** Find the final angle made with the horizontal

a)

b)

c)

d)

**Question 5** Find the change in momentum ?**p **due to the impact

a)

b)

c)

d)

**Question 6** Which one of the following is true about the case?

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

__Multiple Choice Questions__

**Question 7**: An object of mass M is at the origin and is at rest. Suddenly an explosion happens in the object and object is divided three equal parts.

The first part goes with the velocity (v_{0}**i**+v_{0} **j) .**

The second part goes with the velocity v_{0} **j**

What is the velocity vector for the third part?

a) (v_{0}**i**+v_{0} **j) **

b) (-v_{0}**i**-2v_{0} **j) **

c) (v_{0}**i**-v_{0} **j) **

d) None of these

**Question 8**:

A flat car filled with sand is moving with velocity v. The flat car is leaking sand at the rate. Find the velocity of the flat car after ½ amount has leaked

a) v

b) v/2

c) v/4

d)

__Linked Type Comprehension__

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

**Question 9** Find the velocity of the rocket as a function of time

a)

b)

c)

d)

**Question 10** Find the terminal velocity of the rocket

a)

b)

c)

d)

Go Back to Class 11 Maths Home page Go Back to Class 11 Physics Home page

- Principles of Physics Extended (International Student Version) (WSE)
- university physics with modern physics by Hugh D. Young 13th edition
- NCERT Exemplar Problems: Solutions Physics Class 11
- H.C. Verma Concepts of Physics - Vol. 1
- CBSE All in One Physics Class 11 by Arihant
- NCERT Solutions: Physics Class 11th
- New Simplified Physics: A Reference Book for Class 11 (Set of 2 Parts)
- Pradeep's A Text Book of Physics with Value Based Questions - Class XI (Set of 2 Volumes)
- Oswaal CBSE Sample Question Papers For Class 11 Physics (For 2016 Exams)