PH-1343

Resultant force and F = ma

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

A car of mass 900 kg increases its speed uniformly from 12 m/s to 20 m/s in 4.0 s.

Using the equation for acceleration, what is the resultant force acting on the car during this time?

$1800\,\text{N}$
$3600\,\text{N}$
$900\,\text{N}$
$1600\,\text{N}$

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