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  1. #1
    Banned Ultimus's Avatar
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    Am I giving eneough information to answer this physics problem?

    Question 1: "To obtain uniform circular motion, how must the net force depend on the speed of the moving object?"

    My answer: The net force has to be zero so that there is no acceleration because to be uniform circular motion the object has to have constant speed.

    Question 2: "If you whirl a yo-yo about your head in a horizontal circle, in what direction must a force act on the yo-yo? What exerts the force?"

    The force must be exerted in the direction of your head and your hand exerts the force.
    Last edited by Ultimus; 10-19-2008 at 03:27 PM.
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  2. #2
    Banned NYG's Avatar
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    that's deep brah
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  3. #3
    Banned Ultimus's Avatar
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    Originally Posted by NYG View Post
    that's deep brah
    strong 1:1 post to rep ratio brah.
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  4. #4
    Banned Ultimus's Avatar
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    bump
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  5. #5
    Name and Rank? MUFC's Avatar
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    Originally Posted by Ultimus View Post
    Question 1: "To obtain uniform circular motion, how must the net force depend on the speed of the moving object?"

    My answer: The net force has to be zero so that there is no acceleration because to be uniform circular motion the object has to have constant speed.

    Question 2: "If you whirl a yo-yo about your head in a horizontal circle, in what direction must a force act on the yo-yo? What exerts the force?"

    The force must be exerted in the direction of your head and your hand exerts the force.
    in uniform circular motion there is acceleration towards the middle.
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  6. #6
    Banned NYG's Avatar
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    Originally Posted by Ultimus View Post
    strong 1:1 post to rep ratio brah.
    yeah, I've had it exact a few times earlier today and this week. it's just barely off now.
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  7. #7
    Banned Ultimus's Avatar
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    bump
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