Question

does the normal force of an object effects the frictional force? for 8th class​

Answer 1

Static friction magnitude is directly proportional to the normal force magnitude and the roughness between the sliding surfaces. The coefficient of friction is the ratio of the magnitude of frictional force divided by the normal force magnitude.

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Answer 2

Friction is proportional to the force with which an object pushes against the surface you're trying to slide it along. ... In other words, the normal force is the force pushing the two surfaces together, and the stronger the normal force, the stronger the force due to friction.

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