Work, Energy an...

If force is applied on a body and it undergoes displacement, what is said about this event?

Which of the following options represents a unit of work?

Which of the following represents work done against gravity?

If a force of 1 newton acting on a body displaces it by 1 metre in the dirction of force, what is the resulting unit called?

Which of the given options represents the formula for work done?

What expression is used for finding the total mechanical energy of a body?

A man carrying a suitcase is walking on a plane surface. What is the work done by the man on the suitcase?

What is the formula for finding the kinetic energy of a moving object?

Photography, photosynthesis and photoelectric effect are related to which of the following forms of energy?

What is the frequency range of audible sound?

What is the term used for conversion of energy from one form to another?

If the speed of a moving body is doubled, what will be the change in the kinetic energy of the given body?

If the speed of a body is halved, what is the change in its kinetic energy?

A ball of mass 200 gm falls from a height of 5 m. What is its kinetic energy when it just reaches the ground?

What is the kinetic energy of a body of 1 kg moving at the speed of 2 m/s?

What s the SI unit of power?

What is equivalent value of 1 horse power in watts?

What is the value of 1 kilo watt numerically equivalent to?

Two bodies A and B of equal masses are kept at heights of h units and 2h units respectively. What is the ratio of their potential energies?

A boy weighing 45 kg jumps vertically upwards from the ground. What will be his kinetic energy at the highest point?

What is the mathematical expression of Momentum?

On what parameter does the escape velocity of a body does not depend?

What is the value of escape velocity for all the objects projected from earth's surface?

What is the value of work done when an object of mass 2 kg is raised upto a vertical height of 1 m?