(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Name the type of energy possessed by a moving bullet.

A body of mass 2 kg is moving with a speed of 20 ms^-1. What is its K.E.?

A moving object of mass 30 kg has 60 J of kinetic energy. What is its speed?

What type of energy is possessed by a flowing water?

If the speed of a particle is increased four times, how will its kinetic energy be affected?

A body is thrown vertically upwards. Its velocity keeps on changing. What happens to its K.E. when does its velocity become zero?

What change should be effected in the velocity of a body to maintain the same K.E., if its mass is increased four times?

The K.E. of a body is 5 J. What will be its K.E. when its speed is doubled?

Name the parameters that can change the K.E.

Give an example of a body possessing no K.E.

Define potential energy.

What are the factors on which P.E. of a body depends?

What is the amount of energy spent in lifting 1 kg through 1 m? Take g = 10 ms^-2.

Give two examples of P.E.

What is the P.E. of a body lying on the surface of the earth?

What is the amount of energy spent by the heart in pumping blood through the body?

Name the type of energy possessed by a body due to a change in configuration.

How is energy stored in a clock?

Is P.E. a vector or a scalar quantity?