An object with a mass of #4 kg# is revolving around a point at a distance of #2 m#. If the object is making revolutions at a frequency of #5 Hz#, what is the centripetal force acting on the object?

1 Answer
Jun 19, 2016

Answer:

#=7887.68N#

Explanation:

Given

  • #m->"Mass of the object"= 4kg#
  • #r->"Radius of circular path"=2m#
  • #n->"Frequency of revolution"=5Hz #
  • #w->"Angular velocity"=2pin#

  • We know centripetal force

  • #F_c=mxxw^2xxr==4pi^2n^2xxmxxr#

#=4*3.14^2*5^2*4*2=7887.68N#