Examples of Inertia
Inertia of Rest (Tendency of a body to remain at rest) A book placed on a table stays there until someone moves it. Passengers lean backward when a bus suddenly starts moving. Dust comes out when a carpet is beaten. Fruits fall when a tree branch is shaken. Dishes remain in place when a tablecloth is quickly pulled. Inertia of Motion (Tendency of a body to continue in motion) Passengers fall forward when a moving bus suddenly stops. A rolling ball continues moving until friction stops it. A cyclist keeps moving forward even after stopping pedaling. Luggage on a car roof moves forward if the car stops suddenly. A person jumping from a moving vehicle falls forward.
