Question

A car jack with a mechanical advantage of 6 needs to produce an output force of 600 N to raise a car. What input force is required?

Answer 1

B.) 100 N is the CORRECT answer

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Answer 2

MA = Mechanical advantage of car jack = 6

$F_{o}$ = Output force required to raise the car = 600 N

$F_{i}$ = Input force required to raise the car = ?

Mechanical advantage is given as

MA = $F_{o}$ /$F_{i}$

inserting the values

6 = 600/$F_{i}$

$F_{i}$ = 600/6

$F_{i}$ = 100 N

Hence the input force required comes out to be 100 N