A Uniform,horizontal Beam of Length 8

Multiple Choice

A uniform,horizontal beam of length 8.0 m and weight 42.4 N is attached at one end to a wall by a pin connection (so that it may rotate) .A cable attached to the wall above the pin supports the opposite end.The cable makes an angle of 60.0° with the horizontal.What is the tension in the cable needed to maintain the beam in equilibrium?

A) 24.5 N
B) 49.0 N
C) 294 N
D) 4.59 N
E) 171 N