Recent content by Spencer25

Yes, I am sorry about not following the proper format but i wasn't sure that this was even a valid quiestion. I don't think I am very clear at conveying what I am getting at. I understand: "If both pulleys are not of the same diameter, then the smaller pulley is the one that determines the...

I would like to attached a picture here...

The exams are answer 5 of 7 questions so I skipped this one as I had never seen this type. Usually just calculating power and torque with two pulleys and a belt. This was the first time I had seen two coefficients of friction thrown in so thos is more for my own learning. Thank you so much...

I think what they mean by total force is just tight side minus slack side. I know these questions are well below what people are used to on these forums and is very trivial for your skill level so I really do appreciate you taking the time for this. These questions are from Power Engineering...

Thank you Haruspex, these exams often have mistakes but since I am not a physics whiz, if we did assume the contact angle was 180 degrees could you tell me how to solve? And a free body diagram?

Torque on driver T = 2300N x .2m = 460Nm Torque on drum T=2300N x .6m T = 1380Nm Not sure how to calculate friction force on these...Do we have to assume a contact angle of 180 degrees if nothing is given or is that even required? Not sure what a free body diagram would look like for this.

Photo attached

Hi Smart People, I have spent a lot of time on this and have looked in Reed's and Wallker's applied mechanics but can't find a clear explanation. Calculating the force required when pulling up an inclined plane whether horizontally to the plane or at an angle seems pretty straight forward...

That is great...thanks again.

Makes sense, thank you so much!

I know the formula is correct as is the math...just must be missing some sort of rule?

So in this instance height is longer than the 3m string which is impossible. Do we just say that when ever H>L, H=L?

Hi all, happy to be here. I really like physics but it is not really that intuitive to me. It is great to have a community to pose questions to and to bounce ideas off of. Thanks