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Mechanics 2 (statics of rigid bodies) watch

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    In this question i know how to get momentums but i dont know how you get the rotations(clockwise or anticlockwise) :confused:
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    (Original post by SOREN_TORETTO)
    In this question i know how to get momentums but i dont know how you get the rotations(clockwise or anticlockwise) :confused:
    Do you mean moments?

    You probably need to ask your teacher to explain the directions. It is hard to do without gesturing.
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    (Original post by SOREN_TORETTO)
    In this question i know how to get momentums but i dont know how you get the rotations(clockwise or anticlockwise) :confused:
    The normal reaction at the foot of the ladder is producing a claockwise mement while the friction force and weight are producing anti-clockwise moments
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    Im self learning >_<
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    (Original post by SOREN_TORETTO)
    Im self learning >_<
    Then you need to visualise the direction of the resolved forces rotating around the point you are taking moments about.
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    I tried but you can rotate them in both directions
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    (Original post by SOREN_TORETTO)
    I tried but you can rotate them in both directions
    Not if you travel in the direction of the resolved perpendicular force.
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    I see now buts its confusing do you have a video of explaining it
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    (Original post by SOREN_TORETTO)
    I see now buts its confusing do you have a video of explaining it
    I expect plenty exist. You can use Google as well as me.
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    I tried if you find one tell me and thx ^_^

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    (Original post by SOREN_TORETTO)
    I tried if you find one tell me and thx ^_^

    Posted from TSR Mobile
    I imagine it by visualising each arrow of force with a piece of string connecting it to the point you are taking moments about. Now when it moves think what way it would go. I know it's a bit late for that answer but I also struggled with the concept before and I'm hoping someone will find it useful at some point
 
 
 
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