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E. Calculate the size and direction of all forces and their components in terms of the coefficient of static friction u,. F. (Three cases) What is the maximum braking deceleration the tires can provide to the car before they start sliding if the road is Dry? Wet?? ley??

E. Calculate the size and direction of all forces and their components in terms of the coefficient of static friction u,. F. (Three cases) What is the maximum braking deceleration the tires can provide to the car before they start sliding if the road is Dry? Wet?? ley??

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I need help with e and f.   My bd is 11 

Update System Static friction PKNneic ICTION Rubber on dry concrete 1.0 0.7 Rubber on wet concrete 0.7 0.5 Wood on wood 0.5 0.3 Waxed wood on wet snow 0.14 0.1 Metal on wood 0.5 0.3 Steel on steel (dry) 0.6 0.3 Steel on steel (oiled) 0.05 0.03 Teflon on steel 0.04 0.04 W 12:42 PM 3/26/2022 puate Steel on steel (oiled) 0.05 0.03 Teflon on steel 0.04 0.04 Bone lubricated by synovial fluid 0.016 0.015 Shoes on wood 0.9 0.7 Shoes on ice 0.1 0.05 lce on ice 0.1 0.03 Steel on ice 0.04 0.02 Table 5.1 Coefficients of Static and Kinetic Friction 12:42
Transcribed Image Text:Update System Static friction PKNneic ICTION Rubber on dry concrete 1.0 0.7 Rubber on wet concrete 0.7 0.5 Wood on wood 0.5 0.3 Waxed wood on wet snow 0.14 0.1 Metal on wood 0.5 0.3 Steel on steel (dry) 0.6 0.3 Steel on steel (oiled) 0.05 0.03 Teflon on steel 0.04 0.04 W 12:42 PM 3/26/2022 puate Steel on steel (oiled) 0.05 0.03 Teflon on steel 0.04 0.04 Bone lubricated by synovial fluid 0.016 0.015 Shoes on wood 0.9 0.7 Shoes on ice 0.1 0.05 lce on ice 0.1 0.03 Steel on ice 0.04 0.02 Table 5.1 Coefficients of Static and Kinetic Friction 12:42
Car On Raup Irg 5DIM A 2750kg car is braking while driving down a ramp, whose angle is 5 degrees plus the day of the month of your birth - if you were born on the 15", your ramp angle is 20degrees. Assume the car tires are rolling, not sliding while braking, so use static friction coefficients throughout, and the car's acceleration is nonzero. Also assume weight is distributed evenly over all four tires, which all provide the same amount of friction as each other - 4 of the total. Use friction coefficients for rubber on concrete from the table in Chapter 5 of your text, and for rubber on ice use the shoes on ice coefficient. A. What is your birthday of the month and the ramp angle? B. Sketch this problem. C. Draw a complete and correct Free Body Diagram for this problem. Label all forces. D. Write the equations of motion (N2x and N2y). E. Calculate the size and direction of all forces and their components in terms of the coefficient of static friction us- F. (Three cases) What is the maximum braking deceleration the tires can provide to the car before they start sliding if the road is Dry? Wet?? Icy???
Transcribed Image Text:Car On Raup Irg 5DIM A 2750kg car is braking while driving down a ramp, whose angle is 5 degrees plus the day of the month of your birth - if you were born on the 15", your ramp angle is 20degrees. Assume the car tires are rolling, not sliding while braking, so use static friction coefficients throughout, and the car's acceleration is nonzero. Also assume weight is distributed evenly over all four tires, which all provide the same amount of friction as each other - 4 of the total. Use friction coefficients for rubber on concrete from the table in Chapter 5 of your text, and for rubber on ice use the shoes on ice coefficient. A. What is your birthday of the month and the ramp angle? B. Sketch this problem. C. Draw a complete and correct Free Body Diagram for this problem. Label all forces. D. Write the equations of motion (N2x and N2y). E. Calculate the size and direction of all forces and their components in terms of the coefficient of static friction us- F. (Three cases) What is the maximum braking deceleration the tires can provide to the car before they start sliding if the road is Dry? Wet?? Icy???
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