Multiple choice general knowledge science & technology

A car accelerates along a road which force actually moves the car?

  1. Magnetic force

  2. Electrical force

  3. Frictional force

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When a car accelerates, it's actually the static friction between the tires and the road that provides the forward force - the tires push backward on the road, and by Newton's 3rd law, the road pushes forward on the car. Magnetic and electrical forces are not directly involved in propelling a regular car. Without friction, the car would simply spin its wheels without moving forward.