Multiple Choice
While driving on a slippery highway, which action is most effective in reducing the risk of skidding due to kinetic friction between the tires and the road ()?
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7. Friction, Inclines, Systems
Kinetic Friction
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of kinetic friction, what effect does friction have on an object sliding across a surface?
A
It has no effect on the object once it is moving at constant speed.
B
It exerts a force opposite the direction of motion, tending to slow the object down.
C
It exerts a force in the same direction as the motion, tending to speed the object up.
D
It acts perpendicular to the surface and increases the normal force.
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