Question

1. You use a lever with a mechanical advantage of 30. How heavy a load can you lift with an effort of 100 N? The effort arm of a lever is 120 cm long and the load arm is 80 cm long. What​

Answer 1

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Given: Load=80N, Effort=20N

Solution:

Mechanical advantage = effortLoad=2080=4

Hence 4 is the correct answer