A Uniform Beam Having a Mass of 60 Kg and a Length

question 25

Multiple Choice

A uniform beam having a mass of 60 kg and a length of 2.8 m is held in place at its lower end by a pin.Its upper end leans against a vertical frictionless wall as shown in the figure.What is the magnitude of the force the pin exerts on the beam?

• A)0.68 kN
• B)0.57 kN
• C)0.74 kN
• D)0.63 kN
• E)0.35 kN

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