1.

Two stones A and B of same mass fall from height h1 and h2 respectively on sand where h2 hr Which stone will exert more force on the sand and why? Name the energy present in it.

Answer»

Stone B with height h2 has more energy, potential energy is present in it, when the stone falls on the sand it exerts more force than stone A due to more energy transformation. When the stone falls all the potential energy present in it, is transformed into kinetic energy.



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