| Ranjita asks : The gravitational Potential diff. b/w surface of planet & a point 20m above it is 16J/Kg.Calculate the work done in moving a 4kg body by 8m on a slope of 60degree from horizontal. |
| Aman patel asks : what is gravitational force? |
| Navendu sanwal asks : NO GRAVITATIONAL FORCE ACTS ON A PARTICLE DUE TO A SPHERICAL SHELL IF THE PARTICLE IS PRESENT INSIDE THE SPHERICAL SHELL. AM I SERIOUS OR JOKING? |