12.9 Q6 Determine the maximum constant speed in km/h at which the pilot can travel around the vertical curve having a radius of curvature p = 1200 m, so that he experiences a maximum acceleration a.= 8g. If the pilot has a mass of 70 kg
12.9 Q6 Determine the maximum constant speed in km/h at which the pilot can travel around the vertical curve having a radius of curvature p = 1200 m, so that he experiences a maximum acceleration a.= 8g. If the pilot has a mass of 70 kg
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 7.11P: Solve Prob. 7.10 assuming that the pick-up truck has front-wheel drive.
Related questions
Question
![Q4 The vehicle is designed to combine the feel of a motoreycle with the comfort and
safety of an automobile. If the vehicle is traveling at a constant speed of 100 km/h along a
circular curved road of radjus 80 m, determine the tilt angle e of the vehicle so that only
a normal forçe from the seat acts on the driver. Neglect the size of the driver.
A 26.7
B 30.5
40.3
D 44.5
E 54.8
F
60.1
Q5 The coefficient of static friction between the 300 kg crate and the flat bed of the truck
is u, = 0.22. Determine the shortest time in sec for the truck to reach a speed of 80 km/h,
starting from rest with constant acceleration, so that the crate does not slip.
A 4.6
B 10.3
8.2
12.9
E 5.7
16.5
Q6 Determine the maximum constant speed in km/h at which the pilot can travel around
the vertical curve having a radius of curvature p= 1200 m, so that he experiences a
maximum acceleration a.= 8g. If the pilot has a mass of 70 kg
A 1105
B 904
877
D 1235
E 1298
1487](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd21f0d22-6c05-4d75-9976-c9f8f13717d4%2F91f9509d-01c1-40ee-98cc-bb81f8fe463a%2F4syy15_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q4 The vehicle is designed to combine the feel of a motoreycle with the comfort and
safety of an automobile. If the vehicle is traveling at a constant speed of 100 km/h along a
circular curved road of radjus 80 m, determine the tilt angle e of the vehicle so that only
a normal forçe from the seat acts on the driver. Neglect the size of the driver.
A 26.7
B 30.5
40.3
D 44.5
E 54.8
F
60.1
Q5 The coefficient of static friction between the 300 kg crate and the flat bed of the truck
is u, = 0.22. Determine the shortest time in sec for the truck to reach a speed of 80 km/h,
starting from rest with constant acceleration, so that the crate does not slip.
A 4.6
B 10.3
8.2
12.9
E 5.7
16.5
Q6 Determine the maximum constant speed in km/h at which the pilot can travel around
the vertical curve having a radius of curvature p= 1200 m, so that he experiences a
maximum acceleration a.= 8g. If the pilot has a mass of 70 kg
A 1105
B 904
877
D 1235
E 1298
1487
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