The bent ruler possesses elastic potential energy.
• The bending of the ruler depends upon the material of which it is made up of.
• The ruler after bending will gain elastic potential energy.
• The energy stored as an outcome of applying a force to deform an elastic object is known as the elastic potential energy.
• This energy is stored unless and until the removal of force takes place and the ruler moves back to its original shape.
• When the energy is released or when the bent ruler is released from the left hand, then the potential energy stored in it gets convert to kinetic energy and the ruler will recoil or vibrate briskly.
Thus, it is the elastic potential energy gained by the ruler when one bent it with the left hand.
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