Recent content by mechmech

  1. M

    Center of Gravity: Locate on Uniform Board 20cmx10cm

    http://img651.imageshack.us/img651/8628/gravitycenter.png Uploaded with ImageShack.us 20x80/(80+50)=12,3cm 5x200/(200+130)=3cm
  2. M

    Center of Gravity: Locate on Uniform Board 20cmx10cm

    you can firstly do it for one direction on xy plane. Firstly work on 50 and 80 for a line from x. then work on 200 and 130 for a line from y. the junction point of these two lines gives you the new center of gravity.
  3. M

    Finding the Components of a Vector in the Third Quadrant

    14.cos 30=x . if it is 30 degree to x (210), x have to be bigger than y. (to correct)
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