Question

a crowbar of length 120cm has its fluctrum situated at a distance of 20 cm from the load , calculate the mechanical advantage of the crowbar .\

Answer 1

Answer:

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Answer 2

Answer:

Length of the crowbar = 120 cm

Load arm = 20 cm

Effort arm = 120-20 = 100 cm

MA = Effort arm

Load arm

MA = 100

20

MA = 5