Lecture Demonstrations
Lecture Demonstrations

Mechanics

Rotational Dynamics

Circular motion compared to Tangential motion - tennis ball on string

Swing a tennis ball around in a horizontal circle. When the ball is behind you, let go and see the ball travel off tangent to the circle at that location. It should travel off in a straight line to your side and not toward the audience.

photo: Circular motion compared to Tangential motion - tennis ball on string

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