Question

In a pulley system, a 5-newton weight is to be lifted 2 meters. The rope is pulled 10 meters. The input force is two newtons.

The IMA = .

The AMA = .

The efficiency = %.

Answer 1

Hi! I found a Wikipedia article with equations:
http://en.wikipedia.org/wiki/Mechanical_advantage#Efficiency

I'm not confident in mechanical advantage yet, but I'm working to understand what they are.

Answer 2

Thanks...


In a pulley system, a 5-newton weight is to be lifted 2 meters. The rope is pulled 10 meters. The input force is two newtons.

The IMA = 5.

The AMA = 2.5.

The efficiency = 50 %.

Answer 3

I solved

Answer 4

And thnxx for sharing!:-)

Answer 5

Congrats! I'm sorry I can't verify it.

Answer 6

:D