EASY
JEE Main
IMPORTANT
Earn 100

A block moving in air breaks in two parts and the parts separate, then 

50% studentsanswered this correctly

Important Questions on Centre of Mass, Linear Momentum, Collision

EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 8
In an elastic collision,
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 9
A ball hits a floor and rebounds after an inelastic collision. In this case
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 10
A body moving towards a finite body at rest collides with it. It is possible that
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 11
In a head-on elastic collision of two bodies of equal masses
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 1
Three particles of masses 1.0 kg, 2.0 kg and 3.0 kg are placed at the corners A, B and C respectively of an equilateral triangle ABC of edge 1 m. Locate the centre of mass of the system.
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 2

The structure of a water molecule is shown in figure. Find the distance of the centre of mass of the molecule from the centre of the oxygen atom.

Question Image

HARD
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 3

Seven homogeneous bricks, each of length L, are arranged as shown in figure. Each brick is displaced with respect to the one in contact by L10. Find the x-coordinate of the centre of mass relative to the origin shown.

Question Image

HARD
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 4
A uniform disc of radius R is put over another uniform disc of radius 2R of the same thickness and density. The peripheries of the two discs touch each other. Locate the centre of mass of the system.