InterviewSolution
Saved Bookmarks
| 1. |
A force of 98 N is just required to move a mass of 45 kg on a rough horizontal surface. Find the coefficient of friction and angle of friction ? |
|
Answer» Solution :F=98N, `R=45 XX 9.8 =441N` `mu^(2)=(F')/(R)=0.22` ANGLE of friction `theta=tan^(-1) mu=tan^(-1)0.22=12^(@)24'` |
|