Question

Friction between two surfaces _____ with the increase in the weight of a body.​

Answer 1

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Answer:

increases in mass

Explanation:

Friction increases with mass because friction depends on the normal force, which is related to the weight of an object, which depends on mass.

When a body is moving over a horizontal surface, it presses down against the surface with a force equal to its weight, i.e., to the pull of gravity upon it; an increase in the weight of the body causes an increase in the amount of resistance offered to the relative motion of the surfaces in contact.

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Answer 2

Friction between two surfaces increases with the increase in the weight of a body.​

• The amount that one object is pressed against the other object or surface affects how much friction there is between the two. Frictional force is dependent on object weight since a heavier object would press more forcefully on a surface.
• The weight of the body (in grammes) and the friction force (μW) are equal when the body is resting on a horizontal surface with a coefficient of friction of μ.
• But not every friction issue involves flat surfaces.
• Since the force that really forces the surfaces together is the force normal to the surface, the friction force always depends on its magnitude. As a result, only the portion of the weight that is parallel to the surface generates friction.

Hence, friction between two surfaces increases with the increase in the weight of a body.​

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