EASY
10th ICSE
IMPORTANT
Earn 100

Define mechanical energy. What are the two types of this energy?

Important Questions on Work, Energy and Power

MEDIUM
10th ICSE
IMPORTANT
Define Kinetic energy of a moving body. If the speed of the body is doubled, how many times its kinetic energy would increase or decrease? 
HARD
10th ICSE
IMPORTANT
A ball of mass 200g is moving with speed of 12ms-1. What is the kinetic energy of the ball?
HARD
10th ICSE
IMPORTANT
Kinetic energy of a body of mass 2kg is 100J. What is the speed of particle?
MEDIUM
10th ICSE
IMPORTANT
Define potential energy of a body. Name any two types of potential energy.
MEDIUM
10th ICSE
IMPORTANT
What is gravitational potential energy? When is this energy positive, negative ?
HARD
10th ICSE
IMPORTANT
A boy of mass 40kg climbs the height of 10 m. What is the rise in his potential energy?
HARD
10th ICSE
IMPORTANT
A stone of mass 150 g falls from the height of 12 m. Whether its potential energy is increased or decreased and how much ?
HARD
10th ICSE
IMPORTANT
Name three different types of kinetic energy. Give one example of each type.