Question

Find the acceleration of 3kg mass when acceleration of 2kg mass is $2{ms}^{-1}$ as shown in figure.

Answer 1

Ref. Image.

$10-T=f_{net}=m_{1}a$

$\Rightarrow 10-T=2\times 2$

T = 6

$T=f_{net}$

$\Rightarrow T=m_{2}a$

$\Rightarrow 6=3\times a\Rightarrow a=2m/s^2$