A gardener pushes a lawn roller through a distance of 20 m. If he applies a force of 20 kg wt in a direction inclined at 60^∘ to the ground
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A gardener pushes a lawn roller through a distance of 20 m. If he applies a force of 20 kg wt in a direction inclined at 60^∘ to the ground , find the work done by him is A gardener pushes a lawn roller through a distance of 20 m. If he applies a force [...]