The 2975 -lb. car is parked on the sloped street. The brakes are applied to both its front and rear wheels. If the coefficient of statics friction between the car’s tires and the road is μ=0.8, what is the steepest slope (in degrees relative to the horizontal) on which the car could remain in equilibrium? If the street were icy and the coefficient of static friction between the car’s tires and the road was μ=0.2, what is the steepest slope on which the car could remain in equilibrium?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The 2975 -lb. car is parked on the sloped street. The brakes are applied to both its front and rear wheels.

  1. If the coefficient of statics friction between the car’s tires and the road is μ=0.8, what is the steepest slope (in degrees relative to the horizontal) on which the car could remain in equilibrium?
  2. If the street were icy and the coefficient of static friction between the car’s tires and the road was μ=0.2, what is the steepest slope on which the car could remain in equilibrium?
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