Question
For ordinary terrestrial experiments which of the following observers are inertial and which are non-inertial:
(a) A child revolving in a giant wheel.
(b) A driver in a sports car moving with a constant high speed of 200 km/hr on straight road.
(c) The pilot of an aeroplane, which is taking off.
(d) A cyclist negotiating a sharp turn.
(e) The guard of a train, which is slowing down to stop at a station?
Solution
(a) Non-inertial
(b) Inertial
(c) Non-inertial
(d) Non-inertial
(e) Non-inertial.
