Physics
Grade-10
Easy

Question

What is the centripetal force for an object of mass 50 Kg with the following specifications moving in a uniform circular motion.
Distance between the object and the axis point is 40 m. Object’s speed is 50 m/s.

  1. 1600 N
  2. – 1600 N
  3. 3125 N
  4. – 3125 N

hintHint:

F c equals m v squared over r

The correct answer is: 3125 N


    mass = 50 kg
    radius = 40 m
    speed = 50 m/s
    F subscript c equals fraction numerator m v squared over denominator r end fraction
equals space fraction numerator 50 cross times 50 cross times 50 over denominator 40 end fraction
equals space 3125 space N

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