FIELD: physics.
SUBSTANCE: simple and inexpensive device may be used at home as a game with training, cognitive and entertaining functions. It comprises ball and corrugated panel. Corrugation amplitude is 10 times smaller than corrugation period while ball diametre is, at least, ten times smaller than corrugation period. Panel surface corrugation may be sinusoidal, trapezoidal, triangular, or may have more complicated shape. Device may be provided with appliance to throw ball at different angles to panel surface and at different initial speeds.
EFFECT: visual aid in studying peculiarities of motion of bodies at external effects.
7 cl, 2 dwg
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