Consider the following three everyday observations.
a. (a) When a dusty carpet is beaten with a stick, dust particles fly off the carpet.
b. (b) A rider on a bicycle tends to fall forward when the bicycle stops suddenly.
c. (c) A coin kept on a stiff card placed over the mouth of a glass tumbler drops into the glass when the card is flicked horizontally.
d. Answer the following for each observation:
e. (i) Identify whether it illustrates inertia of rest or inertia of motion.
f. (ii) Explain the observation on the basis of Newton’s first law of motion.