- 2 A Smooth Surface Is Inclined At 20 To The Horizontal A Body Of Mass 20 Kg Lies On The Surface And Is Pulled At A Un 1 (51.42 KiB) Viewed 26 times
2. A smooth surface is inclined at 20° to the horizontal. A body of mass 20 kg lies on the surface and is pulled at a un
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2. A smooth surface is inclined at 20° to the horizontal. A body of mass 20 kg lies on the surface and is pulled at a un
2. A smooth surface is inclined at 20° to the horizontal. A body of mass 20 kg lies on the surface and is pulled at a uniform speed a distance of 10 m up a line of greatest slope. Find the work done against gravity.
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