Conceptual Normal Force Question

AI Thread Summary
To determine the normal force exerted by the metal support on the meter stick, one must consider the balance of forces and moments acting on the stick. The presence of friction or another horizontal force at the metal support is essential, as it prevents the stick from being pulled to the left by the tension in the string. Analyzing moments about a pivot point can help isolate the forces acting on the meter stick and calculate the normal force. This approach ensures that both vertical and horizontal components of the forces are accounted for. Understanding these dynamics is crucial for accurately finding the normal force in this scenario.
Boxlife27
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~~Conceptual Normal Force Question~~

Hello! Suppose there is a meter stick suspended from and parallel to a table. On one end, the meter stick is held up by a piece of string at an angle. On the other end, the meter stick is held up by a metal thing about 10cm tall, simply allowing the stick to rest upon it. Remember, the meter stick is parallel to the ground... How would one find the normal force exerted by the metal thing that the meter stick is resting upon? Thank you very much
 

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Hi Boxlife27 http://img96.imageshack.us/img96/5725/red5e5etimes5e5e45e5e25.gif

There must be friction (or some other horizontal force) at the metal support, otherwise the string would draw the stick to the left until the string were vertical.

Taking moments about a point will help to find the components of the reactions.
 
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