PH-1414

Resultant force and F = ma

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

A 2.0 kg block is pulled along a horizontal floor by a horizontal force of 14 N. The frictional force on the block is 4.0 N.

What is the acceleration of the block?

$5.0\,\text{m/s}^2$
$2.0\,\text{m/s}^2$
$7.0\,\text{m/s}^2$
$10\,\text{m/s}^2$

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