PH-1505

Resultant force and F = ma

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

A 4.0 kg box is pushed along a smooth horizontal floor by a constant horizontal force of 10 N.

Using Newton’s second law, what is the acceleration of the box?

$0.40\,\text{m/s}^2$
$1.5\,\text{m/s}^2$
$2.5\,\text{m/s}^2$
$4.0\,\text{m/s}^2$

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