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Answer :

Martebigo

When a person presses a physics book against a wall hard enough to keep it from moving. The friction force on the book point is up.

  • Static friction is a force that is said to keep an object stick on any surface

  • Friction obstruct or hinders the movement of an object. The frictional force is up because the forces exerted on the object when pressed against a wall faces the opposite direction.

Conclusively we can therefore say that

the friction force on the book point is up.

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