15. A car is navigating a banked turn. As shown below, the road surface is tilted at an angle from the horizontal; the car's path is a portion of a horizontal circle. Overhead View From Behind Car R If the car's speed is v₁, the car can navigate a turn with radius R without requiring friction to keep it from slipping; at this speed the normal force acting on the car has a magnitude is n₁. If the car's speed is smaller than v₁ and it navigates the turn with radius R without slipping, the friction force acting on the car. and the normal force (Choose the answer that best fills in both blanks; hint: consider the case in which the new speed is much smaller than v1.) A) has a magnitude of zero ... is smaller than ₁ B) is directed down the slope... is larger than ₁ C) is directed up the slope is larger than 1 **E D) is directed up the slope... is smaller than 1 Exis directed down the slope... is smaller than ₁ Car would tend slide down 50 up the slope
15. A car is navigating a banked turn. As shown below, the road surface is tilted at an angle from the horizontal; the car's path is a portion of a horizontal circle. Overhead View From Behind Car R If the car's speed is v₁, the car can navigate a turn with radius R without requiring friction to keep it from slipping; at this speed the normal force acting on the car has a magnitude is n₁. If the car's speed is smaller than v₁ and it navigates the turn with radius R without slipping, the friction force acting on the car. and the normal force (Choose the answer that best fills in both blanks; hint: consider the case in which the new speed is much smaller than v1.) A) has a magnitude of zero ... is smaller than ₁ B) is directed down the slope... is larger than ₁ C) is directed up the slope is larger than 1 **E D) is directed up the slope... is smaller than 1 Exis directed down the slope... is smaller than ₁ Car would tend slide down 50 up the slope
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WHAT HAPPENS TO FRICTION AND NORMAL FORCE IF VELOCITY IS GREATER THAN V1
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