A Uniform Beam of Length 3 $\degree$ With the Horizontal

Multiple Choice

A uniform beam of length 3.00 m and weight 100 N is mounted on an axle at one end perpendicular to the length of the beam.A rope is attached to the end of the beam at the other end from the axle,and the beam is lifted by the rope so that the beam makes an angle of 30.0 $\degree$ with the horizontal.If the rope is straight up,what magnitude torque does it supply about the axle?

A) 300 N·m
B) 150 N·m
C) 130 N·m
D) 75.0 N·m