A rod is 6 m long pivoted at a point 1.5 m from the left end. Two dow

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Homework Help Overview

The problem involves a rod that is 6 m long and pivoted at a point 1.5 m from one end. Two downward forces are applied at either end of the rod, and the task is to determine the distance from the pivot point where a third upward force must be applied to maintain rotational equilibrium, ignoring the rod's weight.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to solve for the distance of the upward force needed for equilibrium and expresses uncertainty about their answer. Other participants question the correctness of the original poster's solution and engage in confirming its validity.

Discussion Status

The discussion includes participants affirming the original poster's answer while also seeking further clarification on the solution process. There is an ongoing exchange about the correctness of the answer without a definitive consensus on the method used.

Contextual Notes

Participants are navigating the problem without providing explicit solutions, and there is a focus on verifying the original poster's calculations. The context suggests a need for careful consideration of forces and distances involved in the equilibrium condition.

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Homework Statement



A rod is 6 m long pivoted at a point 1.5 m from the left end. Two downward forces of
magnitude 50 N and 200 N are exerted on the left and right end of the rod
respectively. At what distance from the pivot point must a third upward force of
magnitude 300 N be exerted on the rod to keep it in rotational equilibrium? Neglect
the weight of the rod.



Homework Equations





The Attempt at a Solution



so apparently the answer for this question is "non of the above ".. I got an answer of 2.75, can someone check it for me please?
 
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meaning i got it right？
 
cmkc109 said:
meaning i got it right？

Yes. No straight A's for wrong answers here! :smile:
 
rude man said:
Yes. No straight A's for wrong answers here! :smile:

then can u show me how to get the right ans?
 
cmkc109 said:
then can u show me how to get the right ans?

rude man said you got the right answer. (And I agree.)
 
lol ok thanks!
 

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