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sir when an object is carried at a height h frm earth the potential of (earth+block)increases is it right to say the CM of earth +block increases or the ppe of cm is mgh when carried at hieght h

sir when an object is carried at a height h frm earth the potential of (earth+block)increases is it right to say the CM of earth +block increases or the ppe of cm is mgh when carried at hieght h

Grade:11

1 Answers

Sumit Majumdar IIT Delhi
askIITians Faculty 137 Points
6 years ago
Dear student,
When the object is carried to a height h, the centre of mass of the earth+block system rises. This is because the centre of mass is given by the relation:
C.M. = \frac{m_{1}r_1+m_2r_2+...}{r_1+r_2+...}
And therefore higher is the mass taken, higher would be the potential energy of the mass with respect to earth.
Regards

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