The Ferrari car with a mass of 1.25 Mg and a center of mass at G is shown in Figure 2. Determine the shortest time it takes for it to reach a speed of 120 km/h, starting from rest, if the engine only drives the rear wheels, whereas the front wheels are free rolling. The coefficient of static friction between the wheels and the road is a. 0.3. Neglect the mass of the wheels for the calculation. In another case, if driving power could be supplied to all four wheels, what would be the shortest time for the car to reach a speed of 120 km/h? Between rear-wheel drive and 4-wheel drive, which drive give the shortest time for the car to reach a speed of 150 km/h? 0.35 m B. -1.25 m-- 0.75 m Figure 2
The Ferrari car with a mass of 1.25 Mg and a center of mass at G is shown in Figure 2. Determine the shortest time it takes for it to reach a speed of 120 km/h, starting from rest, if the engine only drives the rear wheels, whereas the front wheels are free rolling. The coefficient of static friction between the wheels and the road is a. 0.3. Neglect the mass of the wheels for the calculation. In another case, if driving power could be supplied to all four wheels, what would be the shortest time for the car to reach a speed of 120 km/h? Between rear-wheel drive and 4-wheel drive, which drive give the shortest time for the car to reach a speed of 150 km/h? 0.35 m B. -1.25 m-- 0.75 m Figure 2
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 7.8P: The brake pads at C and D are pressed against the cylinder by the spring BF. The coefficient of...
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