As a girl pushes an object across a wood floor, she suddenly comes to anarea where the floor has been waxed recently, making it slippery. Whatbecomes true of the coefficient of kinetic friction?A. The coefficient of kinetic friction decreases.B. The coefficient of kinetic friction becomes zero.C. The coefficient of kinetic friction becomes negative.D. The coefficient of kinetic friction increases

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28-10-2022
Physics

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As a girl pushes an object across a wood floor, she suddenly comes to anarea where the floor has been waxed recently, making it slippery. Whatbecomes true of the coefficient of kinetic friction?A. The coefficient of kinetic friction decreases.B. The coefficient of kinetic friction becomes zero.C. The coefficient of kinetic friction becomes negative.D. The coefficient of kinetic friction increases

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WileyS647447 WileyS647447 · Answer 1 · 2022-10-28T13:16:35-04:00

The coefficient of the kinetic friction is the ratio of the friction force experienced to the normal force acting on the body.

When the girl encounters an area where the floor has been waxed, making it slippery, the friction force in that area reduces, which causes a decrease in the coefficient of kinetic friction.

Therefore, option (a); the coefficient of kinetic friction decreases, is the correct choice.