MEDIUM
11th West Bengal Board
IMPORTANT
Earn 100
A uniform block, in the shape of a rectangular parallelepiped of sides in the ratio lies on a horizontal table. In which position and on which of its three different faces, can it be said to be most stable?
Important Questions on Motion of System of Particles and Rigid Body
MEDIUM
11th West Bengal Board
IMPORTANT
What will be the nature of motion of a body when the line of action of a force applied on the body passes through the centre of mass?
MEDIUM
11th West Bengal Board
IMPORTANT
What will be the nature of motion of a body when the line of action of a force applied on the body passes through any other point?
MEDIUM
11th West Bengal Board
IMPORTANT
A ping-pong ball is floating on the top of a vertical water jet. Is it in stable, unstable or in neutral equilibrium in the vertical direction?
MEDIUM
11th West Bengal Board
IMPORTANT
Can there be a single force whose effect on a body is equivalent to the combined effect of two equal and unlike parallel forces?
EASY
11th West Bengal Board
IMPORTANT
Can the centre of gravity of a body lie outside the body in any case? If so, give an example.
MEDIUM
11th West Bengal Board
IMPORTANT
A body at rest suddenly bursts into two fragments. Will the fragments fly off in the same direction?
MEDIUM
11th West Bengal Board
IMPORTANT
Name the factors on which the moment of a force depends.
MEDIUM
11th West Bengal Board
IMPORTANT
If all the particles of a system lie in a cube, is it necessary that the centre of mass be within the cube?
