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+//Man and his wish
+//refer fig. 16.4 (a),(b)
+//Work done in sliding
+N=1  //kN
+W=N  //kN
+mu=0.3
+F=mu*N  //kN
+//Applied force
+P=F  //kN
+//Work to be done in sliding to a distance of 5 m (W1)
+W1=0.3*5  //kJ
+//Work to be done in tipping
+//Height (h)
+h=(1/sqrt(2))-0.5  //m
+//Work done in one tipping (W2)
+W2=W*h  //kJ
+//To move a distance of 5m, Five tippings are required
+//Hence 
+W3=5*W2  //kJ
+printf("\nThe man needs to spend only %.2f kJ while tipping and it is less than %.2f kJ spent in sliding\nHe should move the box by tipping",W3,W1)
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