Question

You have a 2kg bag of rice in your emergency supplies. If you pull it with 20 N of force, what is its acceleration?

Answer 1

The Newton's second law says

$$F=ma.$$

Hence, the acceleration of the bag

$$a=\frac{F}{m}=\frac{20\:\rm N}{2\:\rm kg}=10\:\rm m/s^2.$$