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 = %.

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 =    %.

theeric · Answer

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.

anonymous · Answer

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 %.

anonymous · Answer

I solved

anonymous · Answer

And thnxx for sharing!:-)

theeric · Answer

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

anonymous · Answer

:D