Q5. A body of mass 50 kg is lifted to a height of 20 m from the ground in the two different ways as shown in the figures. The ratio of work done against the gravity in both the respective cases, will be :
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\caption{(1) $1 : 2$\\
(3) $2 : 1$}
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Case $- 2 \rightarrow$ Along the ramp\\
(2) $\sqrt { 3 } : 2$\\
(4) $1 : 1$