Saved Bookmarks
| 1. |
when a force of 50n is applied to the free end of an elastic cord, an extension of 4cm is produced in the cord. calculate the workdone on the cord |
|
Answer» FORCE= F= 50N Extension= e= 4cm= 0.04m Workdone= ½Fe = ½(50)(0.04) =50×0.02 = 50×2/100 = 2/2 = 1 |
|