Consider the beam system below. Assume that the 300 N force is able to move anywhere along the beam. Determine where the 300 N should be placed on the beam (measured from point A) to: a) Cause equal reactions at points A and B b) Cause the pin to pull down on the beam at point A c) Cause the roller to pull down on the beam at point B 2 m- -4 m 300 N B -3 m

Consider the beam system below. Assume that the 300 N force is able to move anywhere along the beam. Determine where the 300 N should be placed on the beam (measured from point A) to: a) Cause equal reactions at points A and B b) Cause the pin to pull down on the beam at point A c) Cause the roller to pull down on the beam at point B 2 m- -4 m 300 N B -3 m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider the beam system below. Assume that the 300 N force is able to move anywhere along the beam.
Determine where the 300 N should be placed on the beam (measured from point A) to:
a) Cause equal reactions at points A and B
b) Cause the pin to pull down on the beam at point A
c) Cause the roller to pull down on the beam at point B
-2 m
4 m
300 N
B
-3 m-

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Step 1: Draw Free Body Diagram of the beam.

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Step 2: a) Evaluate distance x for equal vertical reactions at A and B.

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Step 3: b) Evaluate distance x such that at pin A the vertical force is downwards.

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Step 4: c) Evaluate distance x such that at pin B the vertical force is downwards.

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