A machine which is capable of doing any work in the reversed direction, after the effort is removed, is called a reversible machine.

Related MCQs

• 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 non-reversible machine is also called a self-locking machine
• The polygon law of forces states that if a number of forces, acting simultaneously on a particle, be represented in magnitude and direction by the sides a polygon taken in order, then their resultant is represented in magnitude and direction by the closing side of the polygon, taken in opposite direction.
• A lifting machine lifts a load of 1000N through a distance of 0.2 m by means of an effort of 200N through a distance of 1m. This machine is an ideal one.
• The total momentum of a system of masses (i.e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called
• 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 energy possessed by a body, for doing work by virtue of its position, is called
• A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
• Energy may be defined as the capacity of doing work.
• The rate of doing work is known as