0
5.2kviews
Find the necessary force to raise a heavy stone block of 2000 N. Take coeff. of friction as 0.25 for all surfaces. Neglect the weight of wedge. Wedge angle is 15.

enter image description here

1 Answer
1
664views

enter image description here

Applying conditions of equilibrium to the stone

Fx=N2+N1cos75+µN1cos15=0_______(i)FY=2000µN2+N1sin75µN1sin15=0 _____(ii)

Solving 2 equations, we get

N1=2576.83N    N2=1289.19N

Now, Applying conditions of equilibrium to the wedge

$\sum Fx= …

Create a free account to keep reading this post.

and 3 others joined a min ago.

Please log in to add an answer.