1.

A block of mass "5kg" is placed on a wedge having inclination of `37^(@)` with the horizontal. Coefficient of friction between block and wedge is 0.8. Then select the correct statement. A. Friction force between block and the wedge is 32 N.B. Friction force between block and the wedge is 30N.C. Contact force between block and wedge is 80N.D. Contact force between bock and wedge is 40N.

Answer» Correct Answer - B
`f_("max")=mumg cos theta=8xx5xx10xx(4)/(5)=32`
as `f_("max")ltmg sin theta`
friction `=mg sin theta-xx10xx(3)/(5)=30` Newton
and `N=mg cos theta=40N`
`rArr "contanct force"=sqrt((30)^(2)+(40)^(2))=50N`


Discussion

No Comment Found

Related InterviewSolutions