Conditions of equilibrium Lifting an engine You work in a machine s...

Conditions of equilibrium

Lifting an engine You work in a machine shop and need to move a huge 640-kg engine up and to the left in order to slide a cart under it. You use the system shown in Figure P7.13. How hard and in what direction do you need to pull on rope 2 if the angle between rope 1 and the horizontal is θ₁ = 60°?