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प्रश्न
A force vector applied on a mass is represented as `vecF = 6hati - 8hatj + 10hatk` N and accelerates the mass at 1 ms-2. The mass of the body is ______.
विकल्प
10 kg
20 kg
`2sqrt10` kg
`10sqrt2` kg
MCQ
रिक्त स्थान भरें
उत्तर
A force vector applied on a mass is represented as `vecF = 6hati - 8hatj + 10hatk` N and accelerates the mass at 1 ms-2. The mass of the body is `underlinebb(10sqrt2)` kg.
Explanation:
m = `|vecF|/a`
= `sqrt(6^2 + 8^2 + 10^2)/1`
= `10sqrt2` kg
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