Classical Mechanics (Kibble & Berkshire) · Problem 3.1
Newton's laws of motion and the law of gravitation — T.W.B. Kibble, F.H. Berkshire
Physics — Mechanics · inertial-frames
Problem
Suppose that a reference frame fixed to the Earth is exactly inertial. Which of the following are then inertial frames?
A frame fixed to a motor car which is
(i) moving with constant speed around a flat race track,
(ii) moving with constant speed along a straight undulating road,
(iii) moving with constant speed up a constant gradient,
(iv) freewheeling down a hill.