Question

When a car suddenly stops at a red light, a book lying on the car seat slides forward. Why does the book continue to move forward?.

Answer 1

The book on the car seat continues to move forward due to inertia and only comes to a stop when friction acts upon it.

Step-by-step explanation:

When a car suddenly stops at a red light, the book on the car seat continues to move forward due to inertia. Inertia is the tendency of a body to resist changes in its state of motion.

As the car stops, the seat exerts a backward force on the book. However, the book tends to stay in motion due to its inertia and continues moving forward until a force, such as friction, stops it.

Friction between the book and the seat will eventually bring the book to a stop, but initially, the book keeps moving forward because of its inertia.

Answer 2

The book's inertia causes it to continue moving.

Inertia can be defined as the tendency of an object such as a book to continue in its state of motion or remain at rest, unless it is acted upon by an external force.

Step-by-step explanation:

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