PH-1456

Resultant force and F = ma

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

A 2.0 kg block is pushed horizontally across a rough floor with a constant force of 14 N. The frictional force opposing the motion is 6.0 N. What is the acceleration of the block?

$2.0\,\text{m s}^{-2}$
$4.0\,\text{m s}^{-2}$
$7.0\,\text{m s}^{-2}$
$10.0\,\text{m s}^{-2}$

Loading problem…