PH-1339

Resultant force and F = ma

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

A cyclist and bicycle have a total mass of 80 kg. When going downhill, the driving force is 120 N and the resistive forces total 40 N.

What is the acceleration of the cyclist?

$0.50\,\text{m/s}^2$
$1.0\,\text{m/s}^2$
$2.0\,\text{m/s}^2$
$4.0\,\text{m/s}^2$

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