Name the two factors on which the force needed to stop a moving body in a given time, depends.

Is force needed to keep a moving body in motion ?

Name the factors on which Doppler effect depend.

State two factors on which the kinetic energy of a moving body depends.

What are the two factors on which the torque applied on a body depends?

Name two factors on which the heat energy liberated by a body depends.

Name two factors on which the refractive index of a medium depends ? State how does it depend on the factors stated by you.

For a moving body at any instant of time

Write two factors on which the rate of evaporation depends.

Mention two factors on which the degrees of freedom of a gas depends.

State two factors on which the speed of a wave travelling in a medium depends.