A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
A. 8.82
B. 9.81
C. 10.88
D. 0.95
Answer: Option A
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1kgf=9.81N
Thus the given force becomes, F=1.8kgf * 9.81N/kgf = 17.658N
Then since F = mg => g = F/m
For this location and given m=2kg,
g = 17.658/2 = 8.82m/s2 (approx)
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