Contact force is a type of force that occurs when two objects are physically touching each other, resulting in either a push or a pull between them.
It is a fundamental concept in GCSE Physics that includes forces such as friction, tension, normal force, and air resistance. These forces act at the point of contact between surfaces, influencing the motion or shape of an object. For instance, if you push a book across a table, the contact force applied by your hand is what causes the book to move.
Understanding contact forces helps explain how everyday objects interact, making it an essential aspect of mechanics in physics.
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