PH-1384

Resultant force and F = ma

Physics · Secondary 4 · Medium · Resultant force and F = ma

A 5.0 kg box is pulled along a horizontal floor by a constant horizontal force of 12 N. The frictional force on the box is 4.0 N. What is the acceleration of the box?

$1.6\,\text{m s}^{-2}$
$0.80\,\text{m s}^{-2}$
$2.4\,\text{m s}^{-2}$
$3.2\,\text{m s}^{-2}$

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