In a pulley system, how do we tell the number of upward forces?

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In a pulley system, how do we tell the number of upward forces?

Let's say in a movable pulley, there is only one upward force right? But what is an upward force? How do we count how many upward forces are there in a pulley in order to determine the load?
P.S i need this for a test tomorrow!

2006-10-24 20:15:02 · 1 answers · asked by shooting_star 2 in Education & Reference ➔ Homework Help

1 answers

i'm slightly late, but you tell by how many ropes in the pully system are going up when you pull on it

2006-10-27 13:57:05 · answer #1 · answered by rsclflat 6 · 0⤊ 0⤋