a stone of mass M lying on ground is raised to a height h which energy does it acquire what is the magnitude of this energy ?
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Answer:
patential energy was acquired by the stone and the magnitude of the energy is mgh
potential energy acquire and magnitude of it is Mgh
A stone of mass M lying on the ground is raised to a height h.
potential energy acquires to the stone. because potential energy is the energy possessed by a body by virtues of its position to others.
potential energy = negative of workdone by the stone
= -F.h cos180° [ here force and displacement are in opposite directions so, angle between F and h is 180° ]
= Fh
here F = weight of the stone= Mg
so, potential energy = Fh = Mgh
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