-A 500 Kg Nonuniform Boom,6

question 39

Multiple Choice

-A 500 kg nonuniform boom,6.0 m long,is loosely pinned at the pivot at P.A 800 kg block is suspended from the end of the boom at A.The boom forms a 30° angle with the horizontal,and is supported by a cable,4.0 m long,between points D and B.Point B is 4.0 m from P,and point D is 4.0 m above P.The center of mass of the boom is at point C,which is 2.0 m from P.In the figure,the X-component of the pivot force on the boom at P is closest to:

• A)12,000 N
• B)5500 N
• C)19,000 N
• D)7100 N
• E)3200 N

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