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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS
57.
Multiple choice question LVII
Exercise condition:
2
m.
How much work must be done by a force on \(50\ kg\) body in order to accelerate it from rest to \(20\ ms^{-1}\) in \(10\ s\)?
\(10^3\ J\)
\(10^4\ J\)
\(2 \times 10^3\ J\)
\(4 \times 10^4\ J\)
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