MECHANICS - MOTION IN TWO DIMENSIONS - PROJECTILE MOTION NC State University Faculty Access

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Parabolic Trajectory
# 1D60.60


Description: The pendula show the path of a projectile whose initial angle can be adjusted by pivoting the rod. The length of each dowel is proportional to the square of the distance from the pivot point.

Hazards: None.

Parts: Parabolic trajectory apparatus

Purchased/Built: built

Setup Time: 5 min

Quant. in Demo Room: 1

Demo References
Sutton M-90 A stream of water matches the position of balls of lengths 1,4,9,16,... at all angles of elevation.
Freier and Anderson Mb-17 A pivoted bar has pendula of length proportional to the square of the distance from the pivot point.
The American Journal of Physics AJP 47(12),1097 Uses the balls hanging from a stick device at the blackboard.

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