A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram

Ratio of elongation in section PQ of rod and section QR of rod is

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Ratio of elastic potential energy stored in section PQ and section QR of the rod is

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Total elastic potential energy stored in the rod is :

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Total elastic potential energy stored in the rod is :

A uniform rod of mass m, length L, area of cross-section A and Young's modulus Y hangs from the ceiling. Its elongation under its own weight will be

A rod of length l , mass M , cross section area A is placed on a rough horizonatal surface. A horizonatal force F is applied to rod as shwon in figure. The coefficient of fricition between rod and surface is mu , the Young, modulus of material of rod is Y . [Assume that fricition force is distributed uniformly on rod] The elongation in the rod if F lt mu Mg is

A rod of length l , mass M , cross section area A is placed on a rough horizonatal surface. A horizonatal force F is applied to rod as shwon in figure. The coefficient of fricition between rod and surface is mu , the Young, modulus of material of rod is Y . [Assume that fricition force is distributed uniformly on rod] Teh elongation in rod if F gt mu Mg is

A uniform rod of mass m and length l is lying on a smooth table. An impulse J acts on the rod momentarily as shown in figure at point R. Just after that:

A uniform cylindrical rod of length L and cross-sectional area by forces as shown in figure. The elongation produced in the rod is