The volume of brick is 2.197 litres. The submerged brick is balanced by a 2.54 kg mass on the beam scale. The weight of the brick is-
A) 46 N
B) 50 N
C) 56 N
D) 72 N
Correct Answer: A
Solution :
\[T+{{F}_{B}}-W=0\] \[W=T+{{F}_{B}}=2.54\times 9.8+{{10}^{3}}\times 2.197\times {{10}^{-}}^{3}\times 10\]\[W\,\,=\,\,46.43\text{ }N\]
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