A car of mass 1200\,\text{kg} increases its speed uniformly from 10\,\text{m s}^{-1} to 16\,\text{m s}^{-1} in 3.0\,\text{s}. Assuming the resultant forward force on the car is constant, what is the magnitude of this resultant force?

PH-1320

Resultant force and F = ma

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

A car of mass

1200\,\text{kg}

increases its speed uniformly from

10\,\text{m s}^{-1}

16\,\text{m s}^{-1}

3.0\,\text{s}

.

Assuming the resultant forward force on the car is constant, what is the magnitude of this resultant force?

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