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Your moving a 150 kg box along a horizontal floor. you apply 900 newtons to the right. as the box slides the floor exerts frictional force of 450 newtons to the left. what is the resulting acceleration of the box?

Sagot :

Answer:

The acceleration of the box, a =3 m/s²

Explanations:

Mass of the box, m = 150 kg

The force applied to the right, F = 900 N

[tex]\text{Frictional force, F}_r=\text{ 450N}[/tex][tex]\begin{gathered} \sum ^{}_{}f\text{ = ma} \\ F-F_r=\text{ ma} \end{gathered}[/tex][tex]\begin{gathered} 900\text{ - 450 = 150a} \\ 150a\text{ = 450} \\ a\text{ = }\frac{450}{150} \\ a=3m/s^2 \end{gathered}[/tex]

The acceleration of the box, a =3 m/s²