All Questions
5
questions
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 ...
- 95
0
votes
2
answers
91
views
Why does these two masses not have same acceleration? [closed]
Assumptions: No friction , $m_2$=5kg and $z_1$=2kg. $z_2$ is fixed at its place.
Here, there is a mass of $5kg$ on a movable wedge of mass $2kg$. So, my question is that can we say that acceleration ...
- 33
0
votes
1
answer
489
views
Forces acting on a book on a moving table [closed]
I’m studying for an upcoming physics exam and one of the sample questions essentially boils down to this: a book (not clamped on) is on a table that is moving to the left. Is there a force of static ...
0
votes
2
answers
118
views
Changing mass and relative motion
Sand is pouring vertically on a cart at J [kg/sec], from negligable hight. The cart is standing on top of a frictionless surface. What force F do we have to apply to the cart for it to move at a ...
- 107
4
votes
2
answers
1k
views
Find the relation between length of pulley and strings [closed]
A pulley is pulled with external force $F$. $x$ and $y$ denote the displacement of two ends of strings of the pulley and $z$ is the displacement of the pulley.
Prove That $$z = \dfrac{x+y}{2}$$...
- 252