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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS II
23.
Multiple choice question XXIII
Exercise condition:
2
m.
A body of mass \(10\ kg\) is dropped to the ground from a height of \(10\ metres\). The work done by the gravitational force is (\(g\ =\ 9.8\ ms^{-2}\))
\(-490\ J\)
\(+490\ J\)
\(-980\ J\)
\(+980\ J\)
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