A mass of 35 kg is suspended from a weightless bar AB which

A mass of 35 kg is suspended from a weightless bar AB which is supported by a cable CB and a pin at A as shown in figure. The pin reactions at A on the bar AB are

1. R_x = 343.4 N, R_y =755.4 N
2. R_x = 343.4 N, R_y = 0
3. R_x = 755.4 N, R_y = 343.4 N
4. R_x = 755.4 N, R_y = 0

cosθ =	125
	302

⇒ θ = 65.5°
Resolving the forces vertically,

35 × 9.81 = T cos 65.5°
or T = 830 N
R_y = 0
Resolving the forces horizontally,
T sin 65.5° = R_x
or 830 × 0.91 = R_x
or R_x = 755.4 N