alleryFor quick estimation, g may be taken as:
A80 m per s2
B10 m per s2
C20 m per s2
D50 m per s2
Answer & Solution
Correct answer: B. 10 m per s2
1. The exact value is 9.8 metres per second squared.
2. Rounding it makes mental arithmetic easier.
3. For quick estimations one can take g as 10.
4. So the answer is 10 m per s2.
_Source: syllabus Science, Ch 6 'How Forces Affect Motion'_
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