Recent content by seuzy13

Ah, okay. I see now. Thank you!

Homework Statement This is taken from a much larger problem, but I only need the answer to one particular question. Please help me understand why the height that a pendulum swings is r(1-cos\theta) where r is the length of the string and theta is the angle it swings through.Homework Equations...

Okay, I had to read this a few times. But I think I get it. You're saying that for every external force on the string, there is an opposite internal force, i. e., tension in the string. But this is only when something is in equilibrium, right? For instance, there is another example in the...

Homework Statement There is no one particular problem, but I will give one that I am struggling to understand as an example: A block of mass m = 15.0 kg is hanging from three strings. What are the tensions in the strings? There is a diagram that goes with this problem. There is one...