PH-1490

Resultant force and F = ma

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

A 4.0 kg box is pulled horizontally with a constant force of 14 N. The frictional force opposing its motion is 6.0 N. What is the acceleration of the box?

$1.0\,\text{m s}^{-2}$
$1.5\,\text{m s}^{-2}$
$2.0\,\text{m s}^{-2}$
$3.5\,\text{m s}^{-2}$

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