Science Fun

Centrifugal Force And Motion Science Experiment

In this fun and easy science experiment, we’re going to explore and investigate centrifugal force and motion.

 

Materials:

  • String
  • Tennis ball
  • Knife
  • Adult supervision



Instructions:

  1. Have an adult cut a hole through a tennis ball.
  2. Push the string through the hole and tie a knot on the opposite end to keep the string from pulling back through.
  3. Leave about four feet of string hanging from the tennis ball.
  4. Go outside.
  5. Hold the string by the loose end and swing around in a circle.
  6. The centrifugal force will pull the tennis ball up.

 

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How it Works:

Centrifugal force is the energy of an object trying to stay in a straight line while traveling in a circle. This is actually not a force at all but a result of inertia, which is the tendency of an object to resist rest. 

 

Make This A Science Project:

Try different lengths of string. Try different types of balls that are heavier or lighter. 

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