Shopping security
(Falling Body Apparatus) Showing that horizontal and vertical motions are independent of each other. Consists of a wooden block 190 x 58 x 30 mm approx. with a pivoted L-section spring loaded metal launching bar with a trigger catch. On releasing the catch, one steel ball drops vertically while the other is projected horizontally, both hitting the floor at the same time. Supplied with 2 steel balls with storage recess in the block.

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
US$40
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