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

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The Answer of 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

A Uniform,horizontal Beam of Length 8