Question

Two bodies of masses $4$ kg and $5$ kg are acted upon by the same force if acceleration of lighter body is $3m/s^2$

Answer 1

For lighter body

$F=M\times a$

$F=4\times 3=12N$

For heavier body, since the force is same

$12=5\times a$

$a=\frac{12}{5}$

$a=2.4m/se{c}^2$