Answer:
The wagon exerts a force of 21 Newtons
Explanation:
Force is equal to mass times acceleration, a Newton being 1 kg×m/². As we're given both the mass and the acceleration, all we need to do is multiply them to find the force applied:
14 kg × 1.5m/s²
= 14 × 1.5 kg × m/s²
= 21 N
