Question

newtons laws quiz
a student pushes a 2 kg book across a table with a force of 6 n. if friction applies a force of 2 n in the opposite direction, what is the books acceleration?
2 m/s²
3 m/s²
4 m/s²
1 m/s²

Explanation:

Step1: Calculate net force

Net force \(F_{net}=F_{applied}-F_{friction}\). Given \(F_{applied} = 6N\) and \(F_{friction}=2N\), so \(F_{net}=6 - 2=4N\).

Step2: Use Newton's second law \(F = ma\)

We know \(F_{net}=4N\) and \(m = 2kg\). From \(a=\frac{F_{net}}{m}\), substituting values \(a=\frac{4}{2}\).

Answer:

\(2m/s^{2}\) (First option)