MEDIUM
9th CBSE
IMPORTANT
Earn 100

Give the formula to calculate work done on an object if force applied and displacement in it is known.

Important Questions on Work and Energy

MEDIUM
9th CBSE
IMPORTANT
When is the work done said to be negative?
MEDIUM
9th CBSE
IMPORTANT
How much work is done by a coolie to carry load on his head?
MEDIUM
9th CBSE
IMPORTANT
When is an object said to possess energy?
MEDIUM
9th CBSE
IMPORTANT
How will the kinetic energy of an object change If its speed is halved?
MEDIUM
9th CBSE
IMPORTANT
State work- energy theorem.
MEDIUM
9th CBSE
IMPORTANT
Name the type of energy possessed by the water stored in a dam.
MEDIUM
9th CBSE
IMPORTANT
Give the formula to calculate the potential energy of an object of mass m kept at height h.