122k views
5 votes
If the load on Pulley E is 20N, how much effort is needed to life it?

1 Answer

3 votes
It would need to be over 20 because if the load of the Pulley E is 20 and the effort is 20, then they will be equal and the Pulley would not move, so your answer is at least 20
User Vlad Khomich
by
5.7k points