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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS
47.
Multiple choice question XLVII
Exercise condition:
2
m.
A lawn roller is pulled along a horizontal surface through a distance of \(20\ m\) by a rope with a force of \(200\ N\). If the rope makes an angle of \(60^o\) with the horizontal while pulling, the amount of work done by the pulling force is:
\(1000\ J\)
\(4000\ J\)
\(2000 \times \sqrt{3}\ J\)
\(2000\ J\)
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