Energy may be defined as the capacity of doing work.

Related MCQs

• The energy possessed by a body, for doing work by virtue of its position, is called
• A machine which is capable of doing work in the reversed direction, after the effort is re-moved, is called a non-reversible machine.
• A machine which is capable of doing any work in the reversed direction, after the effort is removed, is called a reversible machine.
• The rate of doing work is known as
• The potential energy stord by a spring in compression, is called strain energy.
• The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion
• The loss of kinetic energy due to direct impact of two bodies
• The total energy possessed by a system of moving bodies
• According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
• The loss of kinetic energy during elastic impact is zero.