Finding COM of L-Shaped Rod and Ball System

  • Thread starter Thread starter March
  • Start date Start date
  • Tags Tags
    Ball Rod System
AI Thread Summary
The discussion focuses on finding the center of mass (CoM) of an L-shaped rod and a ball system. Participants suggest treating the L-shaped rod as two separate rods to simplify the calculation of the CoM. There is a request for more details about the homework assignment, including dimensions and mass values. The importance of seeing the entire problem is emphasized, as it may not always be necessary to find the CoM. The conversation highlights the need for clarity in physics problems to determine the best approach.
March
Messages
1
Reaction score
0
Homework Statement
its for my physics hw
Relevant Equations
h
I suspect we can treat the L shaped rod as two rods and then find the com for that system and then find the com of the ball and that system
 
Physics news on Phys.org
Yes!

or you could find the com of one of the rods and the ball, and then find the com of the 1st system and the other rod,

or better ...
 
March said:
Homework Statement:: its for my physics hw
Relevant Equations:: h

I suspect we can treat the L shaped rod as two rods and then find the com for that system and then find the com of the ball and that system
Welcome @March !
Could you post the full homework and your attempt to solve it?
Have you been given any dimmensions and values for each mass?
 
March said:
Homework Statement:: its for my physics hw
Relevant Equations:: h

I suspect we can treat the L shaped rod as two rods and then find the com for that system and then find the com of the ball and that system
It is often unnecessary to find a CoM. We need to see the whole question.
 
Thread 'Minimum mass of a block'
Here we know that if block B is going to move up or just be at the verge of moving up ##Mg \sin \theta ## will act downwards and maximum static friction will act downwards ## \mu Mg \cos \theta ## Now what im confused by is how will we know " how quickly" block B reaches its maximum static friction value without any numbers, the suggested solution says that when block A is at its maximum extension, then block B will start to move up but with a certain set of values couldn't block A reach...
TL;DR Summary: Find Electric field due to charges between 2 parallel infinite planes using Gauss law at any point Here's the diagram. We have a uniform p (rho) density of charges between 2 infinite planes in the cartesian coordinates system. I used a cube of thickness a that spans from z=-a/2 to z=a/2 as a Gaussian surface, each side of the cube has area A. I know that the field depends only on z since there is translational invariance in x and y directions because the planes are...
Thread 'Calculation of Tensile Forces in Piston-Type Water-Lifting Devices at Elevated Locations'
Figure 1 Overall Structure Diagram Figure 2: Top view of the piston when it is cylindrical A circular opening is created at a height of 5 meters above the water surface. Inside this opening is a sleeve-type piston with a cross-sectional area of 1 square meter. The piston is pulled to the right at a constant speed. The pulling force is(Figure 2): F = ρshg = 1000 × 1 × 5 × 10 = 50,000 N. Figure 3: Modifying the structure to incorporate a fixed internal piston When I modify the piston...
Back
Top