EASY
9th CBSE
IMPORTANT
Earn 100

On what factors do the kinetic energy of a body depend?

Important Questions on Work and Energy

EASY
9th CBSE
IMPORTANT
Which would have a greater effect on the kinetic energy of an object: doubling the mass or doubling the velocity?
EASY
9th CBSE
IMPORTANT
How fast should a man of 50 kg run so that his kinetic energy be 625 J?
EASY
9th CBSE
IMPORTANT

State whether the following object possess kinetic energy, potential energy, or both:

A man climbing a hill.

EASY
9th CBSE
IMPORTANT

State whether the following object possess kinetic energy, potential energy, or both:

A flying aeroplane.

EASY
9th CBSE
IMPORTANT

State whether the following object possess kinetic energy, potential energy, or both:

A bird running on the ground.

EASY
9th CBSE
IMPORTANT

State whether the following object possess kinetic energy, potential energy, or both: 

A ceiling fan in the off position.

EASY
9th CBSE
IMPORTANT
State whether the following object possess kinetic energy, potential energy, or both:
A stretched spring lying on the ground.
EASY
9th CBSE
IMPORTANT
Two bodies A and B of equal masses are kept at heights of h and 2h respectively. What will be the ratio of their potential energies?