Question

please answer to this question ​

Answer 1

Answer:-

• Rod A will sink more in the sand.
• In case of Rod B, thrust decreases since contact area is comparatively more than that of Rod A.
• Rod A has a less contact area, thus, thrust increases.

Xtra Advanced Knowledge:-

• Thrust = Pressure/Area.
• Here, pressure in both rods were same. But, the area (contact area) was changed.
• That affected the thrust over sand.

Answer 2

Pressure(P)= Force(F)/ Area{a)

Pressure(P)= Force(F)/ Area{a)The rod A having more area of contact compared to rod B,and the forces is same because of same weight of the rods. Therefore the rod B will exert more pressure on that area than rod A. Hence,the rod B will sink more.

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