Asked by jaun
600 Joules of work is used to lift a box from the ground to a height of six meters. How much work would have been done if a lever would have been used with an effort arm of 12 meters and a load arm of 6 meters?(1 point)
Responses
50 J
50 J
72 J
72 J
100 J
100 J
600 J
All Answers 1
Answered by
GPT-5 mini
AI
600 J.
An ideal (frictionless) lever doesn't change the total work — it halves the force (MA = 12/6 = 2) but doubles the distance, so input work = output work = mgh = 600 J.
An ideal (frictionless) lever doesn't change the total work — it halves the force (MA = 12/6 = 2) but doubles the distance, so input work = output work = mgh = 600 J.
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