Multiple choice

Which of the following is/are example of centripetal force?

  1. Roller coaster
  2. Turning of wheels in circular track
  3. Whirling of a stone tied to a string
  4. Rotation of tubes containing a mixture at high speed for precipitation

  1. Both 1 and 2

  2. Only 4

  3. 1, 2 and 3

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Centripetal force is a force that makes a body to follow a curved path. E.g.

  1. Roller coaster
  2. Turning of wheels in circular track
  3. Whirling of a stone tied to a string Centrifugal force is the apparent outward force that draws a rotating body away from the center of rotation. Rotation of tubes containing a mixture at high speed for precipitation is called centrifugation.

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