Where Is the Center of Mass in a Triangle with Unequal Masses?

AI Thread Summary
The discussion focuses on determining the center of mass for a triangle with three point masses at its vertices, specifically two masses of 0.75 kg and one mass of 1.5 kg. Participants emphasize the importance of understanding the basic principles of finding the center of mass, particularly in cases where masses are unequal. The initial query involves calculating the x and y coordinates of the center of mass before any rotation occurs. A reference link to HyperPhysics is provided for further reading on the topic. The conversation encourages users to clarify their understanding to facilitate better assistance.
TutaTeacherAllan
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Homework Statement
Figure 4 shows three point masses glued to the vertices of a massless triangle of side L=2.0 m. Two of the massess are m=0.75kg and the other mass is twice that value, as shown in the figure. The device is allowed to rotate about point A in a verticle plane about the centre of the larger mass, 2m. Give the x and y coordinates of the centre of mass of the device in the coordinate system
Relevant Equations
Figure 4 shows three point masses glued to the vertices of a massless triangle of side L=2.0 m. Two of the massess are m=0.75kg and the other mass is twice that value, as shown in the figure. The device is allowed to rotate about point A in a verticle plane about the centre of the larger mass, 2m. Give the x and y coordinates of the centre of mass of the device in the coordinate system
Figure 4 shows three point masses glued to the vertices of a massless triangle of side L=2.0 m. Two of the massess are m=0.75kg and the other mass is twice that value, as shown in the figure. The device is allowed to rotate about point A in a verticle plane about the centre of the larger mass, 2m. Give the x and y coordinates of the centre of mass of the device in the coordinate system
 

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"Relevant equations" is for standard equations you think may be relevant to the problem, not a rehash of the question.

Please post an attempt as required by forum rules.
 
I have no Idea how to start please
 
TutaTeacherAllan said:
I have no Idea how to start please
What have you been taught about finding a centre of mass?
 
TutaTeacherAllan said:
I have no Idea how to start please
Welcome, Allan! :smile:
Not using any equation yet:
If the values of the three masses were all the same, let's say 1 kg each, where the center of mass would be located at within the triangle?
Question a) is asking you about the x-y location of the center of mass before the triangle is rotated 45 degrees.

Please, see:
http://hyperphysics.phy-astr.gsu.edu/hbase/cm.html

Please, read about the requirements of the forum about posting questions.
We will be happy to help you if you help us understanding your situation first.
:cool:
 
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