In the system shown, the masses are released from rest. What shall be the acceleration of the moving masses?

Options

A. g
B. `2g//3`
C. `g//3`
D. `g//2`

Answer

C

Explanation

For 10 kg mass
`10 g-T= 10 a" (i)"`
For 5 kg mass
`T-5g=5a" (ii)"`
From (i) and (ii), we get
`a=(5g)/(15)=(g)/(3)`