A Uniform,horizontal Beam of Length 8

question 6

Multiple Choice

A uniform,horizontal beam of length 8.0 m and weight 14 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° with the horizontal.What is the tension in the cable needed to maintain the beam in equilibrium?

• A) 8.1 N
• B) 16.2 N
• C) 97.0 N
• D) 1.5 N
• E) ​56.6 N

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