Question

Two point masses of 1 kg and 2 kg having position vectors and respectively. The value of (a and b) such that centre of mass of the system lies at origin, is

Answer 1

Answer:

a=2b

Explanation:

because 'a' point mass is of 1 kg & 'b' point mass is of 2 kg so the equation would be either -a + 2b = 0 or a - 2b = 0 in both the ways ur answer remains the same