Friction Kit (MC-1168)

It demonstrates the relationship between friction and reaction. Kit comprises wrap free wood board 760 x 150 x 18 mm with steel eye ring in one edge, 10 steel rollers 100 mm long x 13 mm diameter, 4 wood block 230 x 115 x 18 mm, one of which has a steel eye in one edge, and a stout metal crank handle in a U shaped bracket 90 x 50 mm, one crank assembly. Supplied without spring balance.