Frank ICSE Solutions for Class 9 Physics - Laws of Motion PAGE NO: 113 Solution 1: The property by which a body neither changes its present state of rest or of uniform motion in a straight line nor tends to change the present state is known as inertia.Solution 2: A book lying on a table will remain placed at table unless it is displaced by some external force. This is … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Laws of Motion