Homework Help Forum: Physics

Posted by Jane on Wednesday, November 4, 2009 at 1:03pm.

A student of weight 661 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force FN on the student from the seat is 549 N. (b)What is the magnitude of FN at the lowest point? _________N (c) If the wheel's speed is doubled, what is the magnitude of FN at the highest point? ________N (d) What is the magnitude of FN at the lowest point under the same conditions as in (c)? ______ N

• Physics - bobpursley, Wednesday, November 4, 2009 at 1:18pm

  AT the top, force is m(g-a). YOu know mg, which is given, so calculate ma. at the bottom, force is m(g+a). If one doubles speed, then a quadruples.(a=v^2/r)

  
  

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