Question

A block has a mass of 12 kg and is accelerating at 2.5 m/s^2 to the right. What is the force being applied to it?

Answer 1

We can find the force applied to the block from the Newton's Second Law of Motion:

$$F=ma=12\ kg\cdot 2.5\ \dfrac{m}{s^2}=30\ N.$$

Answer:

$F=30\ N.$