Question

A 1500 kg car accelerates at 4.4 m/s^2, what is the force used?

Answer 1

According to the second Newton's law, the force is equal to the acceleration times mass. Thus:

$$F = ma$$

Substitute the numerical values:

$$F = 1500\cdot 4.4 = 6600N = 6.6kN$$

Answer. F = 6.6 kN.