A contactless digital angle sensor with LCD angle readout displays the maximum deflection angle on this premium pendulum. A heavy metal bob is mounted on a light rigid shaft and attached to an axle fitted with very low friction miniature bearings for superior accuracy. The robust metal construction of the pendulum support and base ensures stability and reproducibility. Because the pendulum is reversible, it allows for elastic collision investigations. In the inelastic collision experiment, the spring-powered gun with adjustable spring tension propels a one-inch steel ball into the stationary hollow bob of a physical pendulum, and the ball and pendulum swing to a maximum deflection determined by their physical constants and the gun's spring tension. The pendulum can also be removed to allow the spring gun to be used as a projectile launcher. Includes manual. Requires the included wall transformer and a 9V battery, not included. Size: 50.5 x 10 x 46cm.
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