Explanation:
Energy
It is ability to do work
It is of different types out of which mechanical energy is also one of the type .
Mechanical energy
It is the energy possessed by body due to its position or motion .
It is of two types :
Kinetic energy
Potential energy
Potential energy
It is the energy possessed by body due to its position or state .
It is given by P.E =mx gx h
Kinetic energy
It is the energy possessed by body due to its motion .
It is given by K.E=1/2 mv²
Law of conservation of energy
It states that energy can be converted from one form to another but total energy of the system remains same .
That is why : in above asked question ,when body is moving it has kinetic energy , when stops the kinetic energy gets converted to potential energy , but the total energy of system remains same .
The object's kinetic energy would decrease, its potential energy would increase, and its total mechanical energy would remain the same.
The total mechanical energy (E) of a system is the sum of its kinetic energy (KE) and its potential energy (PE).
E = KE+ PE
conservation of energy:
whenever an object is acted upon by a non-dissipative conservative force its total mechanical energy remains conserved.
So, when the object slows down, its velocity decreases, and therefore its kinetic energy decreases. Since the total mechanical energy remains conserved, the loss in kinetic energy is converted into gain in potential energy, and the potential energy increases.
Learn more about conservation of energy:
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