A car of mass $1000\text{ kg}$ accelerates from rest to $20\text{ m/s}$ over a distance of $50\text{ m}$. Assuming $100\%$ of the engine's work goes into kinetic energy, what average net forward force was exerted by the engine?

• A$2000\text{ N}$
• B$4000\text{ N}$
• C$8000\text{ N}$
• D$200\text{ }000\text{ N}$

Choose an answer — or press 1234