Two rods :A and B having same weight and equal length have different thickness.Rod A is thinner while Rod B is thicker .They are held vertically on the surface of sand .Which one of them will sink more? Why?
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Explanation:
Answer: Rod B will go deeper as it has a smaller area of contact, therefore the same force (weight of the rod) produces more pressure. In case of rod A the same force produces less pressure.
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