Question

Calculate the centre of mass of a system of Two

particles ​

Answer 1

Answer:

Position of center of mass X

cm

=

m

1

+m

2

m

1

x

1

+m

2

x

2

Let the origin to the position of m

1

i.e. x

1

=0

⟹ x

2

=L

Or X

cm

=

m

1

+m

2

0+m

2

L

=

m

1

+m

2

m

2

L

Answer 2

Answer:

Position of center of mass   X  

cm

​  

=  

m  

1

​  

+m  

2

​  

 

m  

1

​  

x  

1

​  

+m  

2

​  

x  

2

​  

 

​  

 

Let the origin to the position of m  

1

​  

 i.e.  x  

1

​  

=0

⟹ x  

2

​  

=L

Or    X  

cm

​  

=  

m  

1

​  

+m  

2

​  

 

0+m  

2

​  

L

​  

=  

m  

1

​  

+m  

2

​  

 

m  

2

​  

L

​