Solve Mass: Vertical Pully w/ 4kg Weight Accel 2m/s2

  • Thread starter Thread starter physcisjay011
  • Start date Start date
  • Tags Tags
    Mass
AI Thread Summary
The discussion revolves around a vertical pulley system with a 4kg weight accelerating at 2m/s², while the other weight remains unknown. Participants are uncertain whether the system is an Atwood's machine or a different configuration, such as one mass on a table. To solve the problem, it's suggested to draw free-body diagrams for both masses to analyze the forces. Understanding the net force acting on each mass is crucial for applying Newton's second law. Clarifying the type of pulley system is essential for determining the correct approach to find the unknown weight.
physcisjay011
Messages
1
Reaction score
0

Homework Statement


A vertical pully has two weights attached. One of the weights is 4kg while the other weight is unknown. The 4kg weight is heavier and accelerates 2m/s2

Homework Equations


f=ma

The Attempt at a Solution


i have no idea...
 
Physics news on Phys.org
What kind of pulley system are we dealing with here? Is it an Atwood's machine, ie, both masses are just hanging from a pulley? Or are we dealing with a pulley system where one mass rests on a table and another hangs from a pulley?
 
First draw free-body-diagrams for both masses. To use the Newton's 2nd law you will need to know the net force acting on each mass.
 

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
View full post »
Thread 'Collision of a bullet on a rod-string system: query'

Thread 'Collision of a bullet on a rod-string system: query'

In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
View full post »
Thread 'A cylinder connected to a hanging mass'

Thread 'A cylinder connected to a hanging mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
View full post »

Similar threads

Why Does the Force Meter Show Different Readings in Similar Situations?
Replies
6
Views
983
Torque w/ See-Saw: Solve for Mass
Replies
21
Views
7K
Find the mass of a block on an inclined pulley
Replies
3
Views
2K
Mass of a weight attached to a body
Replies
8
Views
1K
How Does Friction Affect Acceleration on an Incline?
Replies
19
Views
3K
Find Minimum Height to Lift 4kg Mass with 0.1kg Block & Pulley
Replies
9
Views
3K
Maximizing Force in Simple Harmonic Motion
Replies
3
Views
4K
Newton's Third Law: Acceleration of box and worker
Replies
2
Views
5K
Newton's laws of motion: A gun firing bullets....
Replies
16
Views
3K
Calculate elevator acceleration using mass
Replies
9
Views
4K

Hot Threads

Recent Insights

Back
Top