PH-54

Resultant force and F = ma

Physics · Secondary 3 · Medium · Resultant force and F = ma

A 0.60 kg trolley is pulled along a horizontal surface by a constant horizontal force of 3.8 N. The frictional force on the trolley is 1.4 N. What is the acceleration of the trolley?

$4.0\,\text{m s}^{-2}$
$2.4\,\text{m s}^{-2}$
$6.3\,\text{m s}^{-2}$
$1.6\,\text{m s}^{-2}$

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