Asked by alice
body of mass 7 kg moves in a (counterclockwise) circular path of radius 4 meters, making one revolution every 13 seconds. You may assume the circle is in the xy-plane, and so you may ignore the third component.
how do you find the centripetal force acting on the body
how do you find the magnitude of the force??
how do you find the centripetal force acting on the body
how do you find the magnitude of the force??
Answers
Answered by
Damon
centripetal acceleration = Ac = v^2/R = w^2 R
where w (omega) is the angular velocity in radians/second
here w = 2 pi radians/13 seconds
so
w^2 R = (4 pi^2/169) 4
then F = m a = 7 (4 pi^2/169) 4
where w (omega) is the angular velocity in radians/second
here w = 2 pi radians/13 seconds
so
w^2 R = (4 pi^2/169) 4
then F = m a = 7 (4 pi^2/169) 4
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