InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Define gravitational potential energy. |
| Answer» <html><body><p></p>Solution :Potential energy of a body at a point in a gravitational field is the work done by an external agent in moving the body from infinity to that point. <br/> ` <a href="https://interviewquestions.tuteehub.com/tag/vec-723433" style="font-weight:bold;" target="_blank" title="Click to know more about VEC">VEC</a>(<a href="https://interviewquestions.tuteehub.com/tag/e-444102" style="font-weight:bold;" target="_blank" title="Click to know more about E">E</a>)_("total")= vec(E)_(1)+vec(E)_(2)+vec(E)_(n)= - (Gm_(1))/(r_(1)^(2))hat(<a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>)_(1)-....(Gm_(n))/(r_(n)^(2))hat(r)_(n)` <br/> `vec(E)_("total")=sum_(i=1)^(n) (Gm_(i))/(r_(1)^(2)) hat(r)_(i)`</body></html> | |