what is friction ? Explain with examples ?

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Iswarya Kishan

Aptitude trainer, IIT, BE/BTech Trainer and Engineering Project Guide, 8th to 12th all boards

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. It is the result of the electromagnetic attraction between charged particles in two touching surfaces. A practical example of friction could be like when two...
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Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. It is the result of the electromagnetic attraction between charged particles in two touching surfaces. A practical example of friction could be like when two objects rub together, friction causes some of the energy of motion to be converted into heat. This is why rubbing two sticks together will eventually produce a fire. read less
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Chemical Engineer

It is the resistance between surfaces when there is a relative motion between them. Friction force acts in a direction opposite to direction of motion. Friction is the force that prevents the objects from staying in the state of inertia of motion. When a ball is rolled over a surface, it stops after...
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It is the resistance between surfaces when there is a relative motion between them. Friction force acts in a direction opposite to direction of motion. Friction is the force that prevents the objects from staying in the state of inertia of motion. When a ball is rolled over a surface, it stops after some time. This is due to friction. read less
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Science Teacher

To stop a moving object, a force must act in the opposite direction to the direction of motion. For instance, if you push your book across your desk, the book will move. The force of the push moves the book. As the book slides across the desk, it slows down and stops moving. The force that opposes the...
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To stop a moving object, a force must act in the opposite direction to the direction of motion. For instance, if you push your book across your desk, the book will move. The force of the push moves the book. As the book slides across the desk, it slows down and stops moving. The force that opposes the motion of an object is called friction. read less
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