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Bowling Ball Pendulum

A bowling ball is suspended from the ceiling

Concept Overview:

1. Conservation of Energy

Lecturer Procedure for Demonstration

Steps to Follow Expected Result

1. With the bowling ball in your hands, back up so that your back is to the chalkboard.

2. Raise ball so that it is touching your nose.

3. Keeping your back pressed to the chalk board, release the ball.

The ball will swing away from you.  When it returns to you, it will not hit your face.


Caution:

- After releasing the ball, do not lean forward or you will be putting your face in the direct path of the bowling ball.

- Do not give the ball a push when you release it.  If you do, the extra energy you have imparted into the system will cause the ball to hit you in the face on its return.

Transcript

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Identifier
M: EngMom - 001