A 25 kgf weight P is held in equilibrium by two st rings

Last updated: 6/14/2023

A 25 kgf weight P is held in equilibrium by two st rings which run over two pulleys Counterbalanc es Q and R are attached to free ends of the string s One of the counterbalances weighs 20 kgf the sine of the angle formed by the string and the ver tical is 0 6 Neglecting friction of the pulleys dete rmine the weight R of the other counterbalance and the angle a formed by the second string with the vertical The weight of the strings may be neg lected a B RP A 20 kg 53 B 20 kg 37 C 15 kg 37 D 15 kg 53