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Determine the shear force of the beam shown.

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in Engineering Mechanics by (701k points)
Determine the shear force of the beam shown.

(a) 450N

(b) 50N

(c) 40N

(d) 45N

This question was addressed to me in an interview for job.

The origin of the question is Relation Between Distributed Load, Shear and Moment topic in portion Internal Forces of Engineering Mechanics

1 Answer

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The correct choice is (a) 450N

Easy explanation: The loading acting upward is considered to be positive. This is done as to decrease the time used for the calculations. If the method of sections is being applied at the complex sections for the determination of the unknown forces, much time is required for it. Thus the main motto is to make the calculations easy and make the less use of time.

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