Physics, asked by idk38, 4 hours ago

A simple machine has a VR = 3. If the efficiency of the machine is 60%, find the effort needed to lift a load of 180N

Answers

Answered by randomartist05

1

Explanation:

60 = MA/3 × 100

60 × 3 / 100 = MA

MA = 180/100

MA = .18

MA = E/L

.18 = E/180

E = .18 × 180

= 1.8 × 180

= 32.4

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