When a body falls freely towards the earth, then its total energy

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Increases

Decreases

Remains constant

First increases then decreases

answer is C.

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Detailed Solution

When a body falls freely towards the earth, then its total energy remains constant.
The total energy of anybody is the sum of kinetic energy and potential energy.

T . E = K . E + P . E

When a body falls freely towards the earth; the kinetic energy of the body increases and the potential energy of the body decreases.
However, by the law of conservation of energy, the total energy of the body remains constant.
Even though a body that is falling freely is not being affected by outside forces or non-conservative forces, the law of conservation of energy can be used.
By Conservation of Energy, the total energy of the body remains conserved, which is constant. As the body falls its potential energy starts converting into kinetic energy, and the total energy remains the same.

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