Two rods of the same weight and equal length have different thickness. They are held vertically on the surface of sand as shown in figure. Which one out of A or B will cause higher depression in sand.
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Explanation:
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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