Presentation on theme: "INERTIA. OBJECTIVES To know the exact definition of inertia. To analyze the relationship between inertia and mass. To understand the effects of inertia."— Presentation transcript:
An object with a larger mass has a larger inertia. mass inertia
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If the motorcycle were to abruptly stop, then the rider in motion would continue in motion. The rider would likely be propelled from the motorcycle and be hurled into the air. Once they leave the motorcycle, the rider becomes a projectile and continues in projectile-like motion. It is because of inertia.
Applications of inertia Some examples of using inertia in our daily life are : 1.The loose head of a hammer To tighten the loose head of a hammer, knock one end of the handle held vertically, on a hard surface. The hammer head will continue on its downward motion when the handle has been stopped, the top end of the handle is slotted deeper into the hammer head.
3.To dislodge sticking chili sauce Chili sauce in a bottle is poured out by a quick downward movement of the bottle followed by a sudden stop. The sauce in the bottle moves with the bottle during the downward movement. When bottle is stopped, the inertia of the sauce causes it to continue on its downward movement and thus the sauce is forced out of the bottle.
4.Passengers in a bus Passenger in a bus will lurch backward when a stationary bus starts to move with forward acceleration. The passenger were originally stationary. When the bus started to move forward with an acceleration, the inertia in the passenger made them maintain their original position.