A) 24 N
B) 74 N
C) 15 N
D) 49 N
Correct Answer: A
Solution :
In stationary position, spring balance reading = mg = 49 \[m=\frac{49}{9.8}=5\,kg\] When lift moves downward mg - T = ma Reading of balance T = mg - ma = 5 (9.8 ? 5) \[=5\times 4.8\] = 24.0 NYou need to login to perform this action.
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