PH-1541

Resultant force and F = ma

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

A car of mass 800 kg is moving at

20\,\text{m/s}

. The driver applies the brakes and the car comes to rest in 5.0 s with uniform deceleration. What is the magnitude of the resultant braking force on the car?

$1600\,\text{N}$
$3200\,\text{N}$
$4000\,\text{N}$
$8000\,\text{N}$

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