A brick lies on the ground

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

A 2 kg2\,\text{kg} brick lies on the ground. The floor of the first floor, 3 m3\,\text{m} above the ground, is taken as the zero–potential level. (Take g=10 m/s2g = 10\,\text{m/s}^2.) The gravitational potential energy of the brick with respect to this chosen level is (a) 0 J0\text{ J} (b) +60 J+60\text{ J} (c) −60 J-60\text{ J} (d) −30 J-30\text{ J}

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