Question

A long rod of length 80cm has its fulcrum at the centre, situated at a
distance of 5cm from the load. Calculate the following.
i. Load arm iii. Effort arm
ii. Mechanical advantage of the rod iv. Name the class of lever

Answer 1

Answer:

Load arm= 5cm

Effort arm= 75cm

M.A= 15

C.O.L= 1st class lever.