MEDIUM
11th West Bengal Board
IMPORTANT
Earn 100

State the principle of conservation of angular momentum. Cite an example in its support.

Important Questions on Motion of System of Particles and Rigid Body
HARD
11th West Bengal Board
IMPORTANT
A particle is projected at an angle with the horizontal. Show that the angular momentum of the particle varies from place to place along the trajectory.

HARD
11th West Bengal Board
IMPORTANT
What do you mean by the moment of a force about a point? How can you describe the moment of a force about a point as a vector quantity? What is its geometrical significance?

MEDIUM
11th West Bengal Board
IMPORTANT
What are the conditions of equilibrium of a body due to several coplanar forces?

MEDIUM
11th West Bengal Board
IMPORTANT
What are the conditions of equilibrium of a body due to three forces?

HARD
11th West Bengal Board
IMPORTANT
What do you mean by equilibrium state of a system? How many types of equilibrium are there?

MEDIUM
11th West Bengal Board
IMPORTANT
Force acting on a body is so directed that its line of action passes through the centre of mass of the body. Explain the motion of the body in this case.

HARD
11th West Bengal Board
IMPORTANT
Force acting on a body is so directed that its line of action passes through any other point of the body. Explain the motion of the body in this case.

HARD
11th West Bengal Board
IMPORTANT
Explain how static equilibrium of a body is related to the potential energy? Give illustrations.
