A"scale" is constructed with a 4-ft-long cord and the 10-lb block d. the cord is fixed to a pin at a and passes over two small pulleys at b and c. determine the weight of the suspended block e if the system is in equilibrium when s=1.5 ft. a "scale" is constructed with a 4--long cord and the 10- block . the cord is fixed to a pin at and passes over two small pulleys at and . determine the weight of the suspended block if the system is in equilibrium when w=14.91 lb w=17.63 lb w=18.33 lb w=8.01 lb