The situation is like this,
You're holding a string with a rock at the end of it. You hold the string above your head and whirl the string. It's going to make an angle with the vertical, so its not 90 degrees.
So if I break it into components,
Ft (tension) * cosX will be the vertical...
Well I am asking this because I have no idea. My teacher doesn't teach properly, he skips all this stuff and goes right into problems. So these multiple choice are hard for me. Theres not much work I can show. If I had some answers or hints, I can at least get rid of some of the confusion I have...
I'm studying for a test tomorrow, I found these multiple choice questions but no answers to them. If you can help me out so I know which one is correct so I can study properly, that would be much appreciated :D
1. A 24-kg traffic light is suspended from the midpoint of a cable suspended...