Mechanical Engineering - Strength of Materials - Discussion

Discussion Forum : Strength of Materials - Section 3 (Q.No. 46)
46.
The shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a
horizontal straight line
vertical straight line
inclined line
parabolic curve
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Jaanu said:   6 years ago
@Ashfaq

It is slightly parabolic which we are not identified.

VS fan said:   6 years ago
Because it sf is the area of the triangle(varying load), @fixed end load = w, using similarity of triangle load at any section x-x from a distance x from free end we get wx/l so total load @between section xx and free end = area of triangle(gradually varying load) = 1/2wxx/l = wx^2/l(parabolic curve).


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