A robotic transport sled of weight 15.68 N is pulled across a rough horizontal floor by a horizontal force of magnitude P P\,P N. It accelerates at 1.25 m s−2^{-2}−2. The coefficient of friction is 0.3. Take g=9.8g=9.8g=9.8 m s−2^{-2}−2.
Find PPP.