4.Two rods, 'A' and 'B', of the same weight and
equal length, have different thicknesses. A boy,
while playing with them on a beach, held them vertically on the surface of sand as shown in the figure. Which one of them will sink less? Explain.
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Answer:
Rod B will sink less, because it has a larger surface area than rod A.
Answered by
1
Answer:
Hey buddy here is your Answer
B
Explanation:
For an object to sink in sand it should exert more pressure on the sand.
In this case both Rods A and B have equal weight.
So they exert same force on the sand.
But the surface area of Rod B is greater than A.
As Pressure is inversely proportional to Surface Area (Pressure increases when Surface Area decreases)
So Rod B exert lesser pressure on sand than A.
SO B SINKS LESS.
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