The primary force responsible for a car's kinetic energy is the engine's output, which translates to the work done by the wheels against static friction. While static friction enables the car to start moving, its work is considered zero because the point of contact does not slide. This discussion highlights the distinction between static friction's role in initiating motion and the engine's contribution to kinetic energy during movement.
PREREQUISITESPhysics students, automotive engineers, and anyone interested in understanding the mechanics of vehicle motion and energy transfer.
Hint: What do you pay for to run the car?nicolas38 said:We now that a car is starting to move because of the static friction. We now also that the work of static friction is zero.My question is: the work of what force is responsible for the cars kinetic energy;