- #1
ciubba
- 65
- 2
I am having trouble understanding the distribution of forces present within a pulley system; namely, how the number of sections of rope that supports an item manages to decrease the force necessary to move it.
For example, look at this picture
I am aware that system A only requires 5 kg force to elevate while system B requires a 10 kg force; that being said, I do not understand why that is true.
In this picture, it would appear that both weights are supported by the same number of rope-sections, yet B requires less force to elevate.
For example, look at this picture
I am aware that system A only requires 5 kg force to elevate while system B requires a 10 kg force; that being said, I do not understand why that is true.
In this picture, it would appear that both weights are supported by the same number of rope-sections, yet B requires less force to elevate.