Question: The 4 9 0 - lb beam is supported at A and B when it is subjected to a force of P = 8 0

The

490 -

lb beam is supported at A and

B

when it is subjected to a force of

P = 800 l b

as shown.

(

Figure

1)

If the pin support at A suddenly fails, determine the beam's initial angular acceleration. For the calculation, assume that the beam is a slender rod so that its thickness can be neglected.

Express your answer to three significant figures and include the appropriate units.

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Correct

Part B

Determine the force of the roller support on the beam.

Express your answer to three significant figures and include the appropriate units.

B_{y} = 27.93

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The 4 9 0 - lb beam is supported at A and B when

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