Solve the following :


A block of mass $5.0 \mathrm{~kg}$ slides down an incline of inclination $30^{\circ}$ and length $10 \mathrm{~m}$. Find the work done by the force of gravity.


Work done,


$=5 \times 9.8 \times\left(\sin 30^{\circ} \times 10\right)$

$W=245 \mathrm{~J}$

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