Recent content by swimchica93

The box goes up the ramp. So, there isn't a formula to use? I know that the box weights 500kg, and the angle of the ramp is 50 degrees and the mu-k is .10. Then it has to be at a constant speed. I tried: F-mg(sin(theta))=0 is that kind of what you are talking about? The problem was I couldn't...

I drew a free body diagram, now Ijust don't know what to do with it.

What formula do I use to find the force that is used to pull on a box, going a constant speed. I have mu-k, the degree of the ramp, and the weight of the box.

I have Fr, Fn, Fgx, Fgy, and FG Is that all the forces?

Sorry! I did v= v(knot) + at Gravity, Friction, and the constant force from the rope?

Thank you for your help. :) I got an extension for the problems. I figured out the box one. I used Fpx=(force)(cos(angle)) then ax=(Fpx)/(m) which gave me acceleration then v=(initial velocity which equals zero) + acceleration*force= speed then I took that, and multiplied it by the...

I tried drawing a free body diagram, and came up with the pull of gravity, the force from the ramp, magnitude, and the force from the rope. What do you mean by adding them together? This was never explained in class. Is tension at all a part of this. We went over that some. The book is...

I have this right now: http://i47.photobucket.com/albums/f162/mythologymaniac/phys2.png With no friction, and I added the force from the floor.

Ok. For this one: http://i47.photobucket.com/albums/f162/mythologymaniac/phys2.png I tried this to no avail: Fgx=mg sin (angle) and Fgy = mg cos (angle) The thing is, the examples in the book are nothing like this problem. That is for finding acceleration and I need force, and magnitude of...

They are both different. One is about a box and an incline, while the other is a box being pushed...

I think I figured out that the muk is kinetic friction. I tried an equation with pulleys and that is definitely wrong. I also tried one, but it involved two boxes, again wrong, and another one that I don't really know where I got it. When the rope breaks I know that I will hae to use 9.8...

Is there a force parallel? I have no clue what I am doing. lol So far for what is acting on the box I have this: http://i47.photobucket.com/albums/f162/mythologymaniac/phys2.png There wouldn't be friction if it is a frictionless floor, right?

I am pretty sure I have no clue what I am doing. It is beyond hard. Or I am missing some key piece of information. I have tried three things, and they are not right. At all. http://i47.photobucket.com/albums/f162/mythologymaniac/phys2.png I really need to know how to do it, because I...

Is that different than the diagram that I have? :)

As you all have seen, I am completely lost, but within the last two hours of being a member, I now know how to add and subtract vectors. Anyway! I made the image, because there is a diagram, and I have some clue as in what to do. My head is still spinning from the 40 vector addition/subtraction...