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A one mark moments question (a see saw,pivot type sum, prolly easy) in A level MCQ |
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| Apr5-12, 11:03 PM | #1 |
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A one mark moments question (a see saw,pivot type sum, prolly easy) in A level MCQ
1. The problem statement, all variables and given/known data
http://www.xtremepapers.com/CIE/Inte..._s11_qp_13.pdf question 12 2. Relevant equations moments=Fd 3. The attempt at a solution 60X20=50d d=24cm |
| Apr5-12, 11:51 PM | #2 |
Recognitions:
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Yo forgot the weight of the rod.
ehild |
| Apr6-12, 12:23 AM | #3 |
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Static of Rigid Bodies.
Total sum of Torque=0 [itex]\sum \tau=0[/itex] find ccw(counterclockwise) and cw(clockwise) torgue about pivot(40cm). |
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| distance, force, moments, pivot |
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