Question

In a lever, the fulcrum is at one end of the lever rod of length 80cm and the load is at the other end. An effort of 30N is exerted at a distance of 20cm from the fulcrum. Calculate the following:

a) Length of the load arm

b) Length of effort arm

c) MA of the lever

d) The load

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Answer 1

Answer:

(a) Load arm = 30 cm

(b) Effort arm = (90 + 30) cm = 120 cm

(c) Mechanical advantage = Effort arm/Load arm

= 120 cm/30 cm = 4

Answer 2

Answer

Ans is Attached

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