PHYSICS · Subjective · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
A car moves with constant speed along a straight, level road. Consider the following statements:
(i) The net horizontal force on the car is forward and equal to ma.
(ii) The car’s acceleration is zero.
(iii) The backward force of air resistance equals the forward driving force of the engine.
Identify the statement number(s) that is/are incorrect and briefly correct it/them.