EASY
11th CBSE
IMPORTANT
Earn 100

About which axis of a body is the moment of inertia minimum?

Important Questions on Motion of System of Particles and Rigid Body

EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 6
Why moment of inertia is called rotational inertia?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 7

Can centre of mass of a body coincide with the geometrical centre of the body?

MEDIUM
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 8
If the polar ice-caps of earth melt, shall the length of the day increases or decreases?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 9

Two satellites of equal masses are revolving around at different heights. Will their moment of inertia about centre of the earth be same or different?

MEDIUM
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 10
How will you distinguish between a hard-boiled egg and a raw egg by spinning each on a tabletop?
HARD
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 11

Prove that:

(a) τ=Iα and (b) L=Iω

MEDIUM
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 12
State and explain the principle of conservation of angular momentum. Give at least two examples?
MEDIUM
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 7 - Motion of System of Particles and Rigid Body>SELF EVALUATION TEST>Q 13
What is the centre of mass? Obtain an expression for the centre of mass of a system of particles?