Question

A lever has an input arm 50 centimeters long and an output arm 40 centimeters long. What is the mechanical advantage of the lever? (MA=Input distance / Output distance) a 2.0 b 1.25 c 1 d 0.8

Answer 1

Answer:

45

Explanation:

well 45

Answer 2

Mechanical advantage will be option b)1.25

What is Mechanical advantage ?

Mechanical advantage equal to the ratio of length of the input arm and output arm

Given

Input arm = 50 cm

output arm = 40 cm

Mechanical advantage = Input distance / Output distance

                                        =    50 / 40

                                        = 1.25

Mechanical advantage will be option b)1.25

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