A wooden block of volume `1000cm^(3)` is suspended from a spring balance its weight is 12 N in air. It is suspended in water such that half of the blo

Question

A wooden block of volume `1000cm^(3)` is suspended from a spring balance its weight is 12 N in air. It is suspended in water such that half of the blo

A wooden block of volume `1000cm^(3)` is suspended from a spring balance its weight is 12 N in air. It is suspended in water such that half of the block is below the surface of water. The reading of spring balance is
A. `10 N`
B. `9 N`
C. `8 N`
D. `7 N`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Reading of the spring balance = Apparent weight of the block = Actual weight - upthrust
`= 12 - V_("in")sigmag`
`=12-500xx10^(-6)xx10^(3)xx10=12-5 =7 N`.

4 views Answered 2023-02-05 15:29