Projectile Apparatus :- (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 Lsection
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.