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Ryan Clouter , 15 Years ago
Grade 12
anser 1 Answers
Sachin Tyagi

Last Activity: 15 Years ago

The potential energy of a system corresponding to a conservative force was defined as

The change in potential energy is equal to the negative of the work done by the internal forces. We also calculated the change in gravitational potential energy of the earth-particle system when the particle was raised through a small height over earth’s surface. In this case the force mg may be treated as constant change the change in potential energy is

                                        Uf - Ui = mgh

Where the symbols have their usual meanings. We now drive the general expression for the change in gravitational potential energy of a two-particle system.

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