How to Calculate Car Acceleration Using Newton’s Second Law

Learn how to calculate the acceleration of an 800 kg car pushed with 4000N force using Newton’s second law of motion.

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Acceleration is calculated using Newton's second law: a = F/m. Given: Force (F) = 4000N and mass (m) = 800kg. Calculate: a = 4000N / 800kg = 5 m/s². Therefore, the car will accelerate at a rate of 5 meters per second squared.

FAQs & Answers

  1. What is Newton’s second law of motion? Newton’s second law states that acceleration is produced when a force acts on a mass, mathematically expressed as a = F/m.
  2. How do you calculate acceleration if force and mass are known? Acceleration is calculated by dividing the applied force by the mass of the object, using the formula a = F/m.
  3. What units are used for force, mass, and acceleration in physics? Force is measured in newtons (N), mass in kilograms (kg), and acceleration in meters per second squared (m/s²).
  4. Why does an 800 kg car accelerate at 5 m/s² with 4000 N force? Using a = F/m, dividing 4000 N by 800 kg gives 5 m/s², meaning the car’s acceleration is 5 meters per second squared.

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