PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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The standard test to determine the maximum lateral acceleration of a car is to drive it around a 200-
ft-diameter circle painted on a level asphalt surface. The driver slowly increases the vehicle speed
until he is no longer able to keep both wheel pairs straddling the line. If this maximum speed is 35
mi/hr for a 3000-lb car, determine its lateral acceleration capability an in g's and compute the
magnitude F of the total friction force exerted by the pavement on the car tires.
100 ft
Motors A and B draw in the cable with theaccelerations shown. Determine the acceleration of the100-lb crate C and the tension developed in the cable.Neglect the mass of all the pulleys.
The standard test to determine the maximum lateral acceleration of a car is to drive it around a 200-ft-diameter circle painted on a
level asphalt surface. The driver slowly increases the vehicle speed until he is no longer able to keep both wheel pairs straddling the
line. If this maximum speed is 28 mi/hr for a 3530-lb car, determine its lateral acceleration capability an in g's and compute the
magnitude F of the total friction force exerted by the pavement on the car tires.
Assume r = 100 ft.
Answers:
an =
F=
i
i
bn
g
lb
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