a stone is dropped from a height h prove that the energy at any point in its path is mgh
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The energy at any point in its path is mgh.
Explanation:
When a stone of mass m is dropped from a height h. The work is done by the stone. The work is due to the force of gravity such that work done is given by :
F = W = mg
m is the mass of object
g is acceleration due to gravity
Work done by an object is given by :
When an object is dropped from a height, work done by it is mgh and as per work energy theorem, the work done is equal to change in kinetic energy.
Hence proved
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