We have a rod ,the ends of which are being acted by two forces in opposite directions one with magnitude 2F and other F.Determine the ratio of elongation in section PQ of rod and section QR of rod
(PQR is the rod with P and R deciding its ends and Q as its mid point)

Question

We have a rod ,the ends of which are being acted by two forces in opposite directions one with magnitude 2F and other F.Determine the ratio of elongation in section PQ of rod and section QR of rod 
(PQR is the rod with P and R deciding its ends and Q as its mid point)

samigupta8 · Answer

@parthkohli

parthkohli · Answer

Let's get back to the basics here. We're looking at a uniform rod which is accelerating at $F/m$. |dw:1461002960395:dw|