Q2: The mass center of the rear-engine 1500 kg car is at G. Determine the normal forces NA and Ng exerted by the road on the front and rear pairs of tires for the conditions of (a) being stationary and (b) braking from a forward velocity v with all wheels locked. The coefficient of kinetic friction is 0.90 at all tire/road interfaces. Ans.: (a) NA = (b) NA = 5886 N, NB = 8829 N 8775N, NB = 5940 N

Q2: The mass center of the rear-engine 1500 kg car is at G. Determine the normal forces NA and Ng exerted by the road on the front and rear pairs of tires for the conditions of (a) being stationary and (b) braking from a forward velocity v with all wheels locked. The coefficient of kinetic friction is 0.90 at all tire/road interfaces. Ans.: (a) NA = (b) NA = 5886 N, NB = 8829 N 8775N, NB = 5940 N

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.72P

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