A coin placed on a card(rested at the edges of the glass) remains at rest because of I. Inertia of rest II. Two forces act on the coin which balance each other III. No unbalanced force acts on it IV. All of these
(d) All of these. Dear Student, A coin placed on a card remains at rest because two force act on a coin balance each other. One force due to weight of coin acting downward and the another force due to normal reaction on coin acting upward.
