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Math Help - Vector F

  1. #1
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    Vector F

    A man pushes a wheelbarrow up an incline of 20 degrees with a force of 100 pounds. Express the force vector F in terms of i and j.

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  2. #2
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    Quote Originally Posted by magentarita View Post
    A man pushes a wheelbarrow up an incline of 20 degrees with a force of 100 pounds. Express the force vector F in terms of i and j.
    Let |\vec F| denote the length of the vector (=magnitude of the force) then the vector \vec F = \left(100 \cdot \cos(20^\circ)\bold{ i}, 100 \cdot \sin(20^\circ)\bold{ j} \right)

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    Attached Thumbnails Attached Thumbnails Vector F-compon_kraft.png  
    Last edited by earboth; October 5th 2008 at 07:56 PM.
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    ok

    Quote Originally Posted by earboth View Post
    Let |\vec F| denote the length of the vector (=magnitude of the force) then the vector \vec F = \left(100 \cdot \cos(20^\circ)\bold{ i}, 100 \cdot \sin(20^\circ)\bold{ j} \right)

    See attachment
    I can take it from here.

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