2. Solved Papers
  3. JIPMER

JIPMER Jipmer Medical Solved Paper-2000

  • question_answer
    A body of mass 10 kg is lying on a rough plane inclined at an angle of \[30{}^\circ \] to the horizontal and the coefficient of friction is 0.5. The minimum force required to pull the body up the plane is:

    A)  914 N                                   

    B)  91.4 N                 

    C)  9.14 N                 

    D)         0.914 N

    Correct Answer: B

    Solution :

    From the relation for downward force along the slope is given by \[=mg\sin \theta +\mu mg\cos \theta \] \[=mg(\sin \theta +\mu \cos \theta )\] \[=10\times 9.8\,(\sin 30{}^\circ +0.5\times \cos 30{}^\circ )\] \[=10\times 9.8\left( 0.5+\frac{0.5\times \sqrt{3}}{2} \right)\] \[=91.4\,newton\]


You need to login to perform this action.
You will be redirected in 3 sec spinner