The systems shown in Figure P4.22 are in equilibrium with m = 2.50 kg and = 31.0. If the spring scales are calibrated in newtons, what do they read?

The systems shown in Figure P4.22 are in equilibrium with m = 2.50 kg and = 31.0. If the spring scales are calibrated in newtons, what do they read? (Ignore the masses of the pulleys and strings, and assume the incline is frictionless.)scale in (a)N scale in (b)N scale in (c)N