A car of mass 800 kg increases its speed uniformly from 12\,\text{m s}^{-1} to 20\,\text{m s}^{-1} in 4.0 s. Assuming the driving force is the only horizontal force, what is the magnitude of this force?

PH-1426

Resultant force and F = ma

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

A car of mass 800 kg increases its speed uniformly from

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

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

in 4.0 s. Assuming the driving force is the only horizontal force, what is the magnitude of this force?

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