· Demonstrate the effect of gravity on falling bodies
· 2 metal 19mm steel balls included in this kit.
· L-section launcher with holes for locating two 19 mm diameter steel balls which act as projectiles. Launcher is released by push button and projects one ball forward while allowing the other to fall freely.
· Launching mechanism mounted on wooden block 180 x 60 x 30 mm which may be clamped by bench and has a convenient storage pocket for the balls.