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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS
29.
Multiple choice question XXIX
Exercise condition:
2
m.
A block of mass \(2\ kg\) is pulled upwards by a force \(F\ =\ 40\ N\) as shown in figure. Block is displaced by \(2\ m\). Find work done by the applied force and also due to the force of gravity on the block. (Take \(g\ =\ 10\ ms^{-2}\))
\(-40\ J, 80\ J\)
\(80\ J, -40\ J\)
\(-80\ J, -80\ J\)
\(80\ J, 40\ J\)
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