PH-150

Newton’s laws of motion

Physics · Secondary 3 · Medium · Newton’s laws of motion

A cyclist of total mass 80 kg is moving at a constant speed on a straight, level road. The resistive forces (air resistance and friction) total 40 N. What is the forward driving force provided by the cyclist?

$40\,\text{N}$
$0\,\text{N}$
$80\,\text{N}$
$120\,\text{N}$

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