The truck shown in Figure 4 has a mass and a centre of mass at G. (a) Determine the shortest time possible for the rear-wheel drive, 2-Mg truck to achieve a speed of 16 m/s with a constant acceleration starting from rest. The coefficient of static friction between the wheels and the road surface is us = 0.8. The front wheels are free to roll. (b) If the driver needs to increase the speed achieved in (a) by 6 %, redesign the dimension of the car in order to achieve the new targeted acceleration. Justify your answer with calculation. Go 075 m B 2 m -1.5 m- Figure 4

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q4.
The truck shown in Figure 4 has a mass and a centre of mass at G.
(a)
Determine the shortest time possible for the rear-wheel drive, 2-Mg truck to
achieve a speed of 16 m/s with a constant acceleration starting from rest. The
coefficient of static friction between the wheels and the road surface is us = 0.8.
The front wheels are free to roll.
(b)
If the driver needs to increase the speed achieved in (a) by 6 %, redesign the
dimension of the car in order to achieve the new targeted acceleration. Justify
your answer with calculation.
2 m
-1.5 m-
Figure 4
Transcribed Image Text:Q4. The truck shown in Figure 4 has a mass and a centre of mass at G. (a) Determine the shortest time possible for the rear-wheel drive, 2-Mg truck to achieve a speed of 16 m/s with a constant acceleration starting from rest. The coefficient of static friction between the wheels and the road surface is us = 0.8. The front wheels are free to roll. (b) If the driver needs to increase the speed achieved in (a) by 6 %, redesign the dimension of the car in order to achieve the new targeted acceleration. Justify your answer with calculation. 2 m -1.5 m- Figure 4
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