Solve this : 23. The radius of smooth light pulley is 0.2 m. The mass of each block is 10 kg. Find the normal force per unit length of its length, the string applies the pulley. (a) 500 N/m (b) 100 N/m (c) 200 N/m (d) 250 N/m Share with your friends Share 12 Shobhit Mittal answered this Dear Student,r=0.2 m , m=10 kg , let the tension be T in the string T=mgT=100 N normal force is 100 N force per unit length=1000.2π=160 N/mRegards -33 View Full Answer