@cafreeland You were part of the government who has left us so dependant on our southern neighbors. Advocate for Canadian projects that support our strengths and quit focusing on reducing our competitiveness.
@dawiditer @RonnieCloses @engineers_feed Actually, the number of pulleys is not the rule of thumb for advantage. You have to look at the static body diagram of each it with the commonality of having the same tension on the rope throughout the system. On left side, 2T = 120*9.81. So T = 60*9.81.
This carries through
@JohnGan94616367@ericnuttall He will be right at some point when the financial speculation fades and the fundamentals of supply catch up. The only possible supply 'fly in the ointment' is that I believe that Saudi Arabia has excess supply, especially at the margin of $100 Brent oil.