Question
Physics Question on Center of Mass
The X and Y coordinates of the three particles of masses m, 2m and 3m are respectively (0,0), (1,0) and (-2,0). The X-coordinate of the centre of mass of the system is
A
31
B
32
C
1−3
D
2−3
E
61
Answer
2−3
Explanation
Solution
The correct option is (D) : 2−3