Question

Define frictional force.

Answer 1

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Friction is a force that acts to stop the movement of two touching things. The energy lost to friction is turned into sound and heat. Two kinds of friction are static and kinetic. Static friction is when the friction is strong enough to stop movement between two objects.

Explanation:

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Answer 2

Answer:

Frictional force refers to the force generated by two surfaces that contacts and slide against each other.

Explanation:

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