Name the Device that Converts Electrical Energy into Mechanical Energy.

Name the device that converts electrical energy into mechanical energy.

One Line Answer

A D.C. motor converts electrical energy into mechanical energy.

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Chapter 1: Force, Work, Energy and Power - 1.5 Graded Assignment [Page 56]

Chapter 1 Force, Work, Energy and Power
1.5 Graded Assignment | Q 42. | Page 56

State different forms of potential energy and give one example of each.

Name five renewable sources of energy.

Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?

What do you understand by the kinetic energy of the body?

What kind of energy is possessed in a situation when?

A stone lying on the top of roof.

What kind of energy is possessed in a situation when?

A stone, in a stretched catapult.

State the energy transformation on the following:

Electricity is obtained from wind energy.

What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?

Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.

A body of mass 50 kg has a momentum of 3000 kg⁻¹ ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.