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

1. Apr 17, 2013

### cmkc109

1. The problem statement, all variables and given/known data

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.

2. Relevant equations

3. 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 plz?

2. Apr 17, 2013

### rude man

Straight A.

3. Apr 17, 2013

### cmkc109

meaning i got it right？

4. Apr 17, 2013

### rude man

Yes. No straight A's for wrong answers here!

5. Apr 17, 2013

### cmkc109

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

6. Apr 18, 2013

### haruspex

rude man said you got the right answer. (And I agree.)

7. Apr 18, 2013

### cmkc109

lol ok thanks!