Question

If an object weighs 40N, calculate the mass (gravity = 9.8m/s^2)​

Answer 1

Answer:

4.08 kg

Explanation:

We can apply the Newton's second law of motion to find the mass of this object:

$F=ma$,

where $m$ is mass, and $a$ is acceleration, which is substituted by $g$ here. Now, plugging given numbers in the equation, we have

$40=m\cdot9.8$.

Solving for mass, we have

$m=\frac{40}{9.8}\\=4.08 \;\text{kg}.$