The equipment is made up of the following
components:
(i) A well-seasoned wood lever with a
horizontal arm of 75 cm and a vertical arm of 20 cm.
(ii) A spring balance with a capacity of
10kg and an adjustable wing nut at the shorter end.
(iii) A set of 0.5 kg slotted cast iron
weights plus one hanger
four sllotted weights and one 0.5 kg
hanger. 2.5 kg total weight The entire setup is fixed on a steel frame against
the wall. However, there are no foundation bolts.