Why Do Passengers Lean Forward When a Moving Car Suddenly Brakes?

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When a moving car suddenly brakes, passengers lean forward due to inertia? Introduction to Inertia: The property of an object to maintain its state of rest or uniform linear motion is called inertia. Inertia is an inherent property of an object, manifested as the degree of resistance to changes in its state of motion, with mass being the measure of an object's inertia. Definition of Inertia: The property of an object to maintain its state of motion unchanged is called inertia. Inertia represents the difficulty of changing an object's state of motion. The magnitude of inertia depends solely on the object's mass. Objects with larger masses are relatively harder to change their state of motion, meaning they have greater inertia; objects with smaller masses are relatively easier to change their state of motion, meaning they have smaller inertia.