A) 10 N
B) 9 N
C) 8 N
D) 7 N
Correct Answer: D
Solution :
Reading of the spring balance = Apparent weight of the block \[= Actual weight - upthrust\] \[=\,\,12\,-\,{{V}_{in}}\,\sigma g\] \[= 12 - 500 \times 1{{0}^{-}}^{6}\times 1{{0}^{3}}\times 10 = 12 - 5 = 7 N\]You need to login to perform this action.
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