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A body of mass 300 kg is moved through 10 m along a smooth inclined plane of angle $30^{\circ}$. The work done in moving in joules is $(g= 9.8\: ms^{-2})$

$\begin {array} {1 1} (1)\;4900 & \quad (2)\;9800 \\ (3)\;14,700 & \quad (4)\;2450 \end {array}$

1 Answer

(3) 14,700
answered Nov 7, 2013 by pady_1
 

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