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0 votes
0 answers
29 views

Question regarding friction acting on a disk on a conveyor belt [closed]

I have the following problem on which i am working A horizontal conveyor belt is running at a constant speed of $v_b = 3.0\hspace{1mm}m/s$. A small disc enter the belt moving horizontally with a ...
Hhh Hhh's user avatar
6 votes
3 answers
516 views

Interesting answer as a range of tension in pulley-block-plane system

I want some intuitive understanding on why there will be a range in tension in the below question. (On solving we will get that the system is at rest ($a=0$) and since its starts from rest the blocks ...
shriram's user avatar
  • 95
1 vote
1 answer
123 views

Why is heat energy dissipation in two intervals frame dependent?

The question asks for heat produced in the given specific conditions. It seems like an application of the work-energy theorem with friction doing work on the block and dissipating the heat in the ...
Schwarz Kugelblitz's user avatar
1 vote
1 answer
645 views

What will be the total work done by friction on the system (man+boat)? [closed]

As I am seeing this, the man and boat will have different displacement from ground frame, so there should be a net work done by friction . The books says, total work done by friction is zero when ...
Rahul Singh's user avatar
0 votes
1 answer
37 views

Explain why the friction force and the component of weight down the plane are the same value [closed]

can someone expain me why is this. Thanks.
Rahul's user avatar
  • 11