Learning Goal: To set up and evaluate the equations of motion in a normal-tangential coordinate system. The car is traveling at a speed of 62.5 ft/s, which is increasing at a rate of 4.55 ft/s, and the curvature of the road is p= 710 ft. What is the magnitude of the net frictional force that the road exerts on the tires? Express your answer to three significant figures and include the appropriate units. A car of weight 3850 lb is traveling around a curve of constant curvature p.(Figure 1) > View Available Hint(s) Figure 1 of 1 F = Value Units Submit Part B- Finding the maximum allowable acceleration Suppose that the tires are capable of exerting a maximum friction force of 2080 lb. If the car is traveling at 64.5 ft/s and the curvature of the road is p= 410 ft , what is the maximum tangential acceleration that the car can have without sliding? Express your answer to three significant figures and include the appropriate units. • View Available Hint(s)

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
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Suppose that the tires are capable of exerting a maximum net friction force of 772 lb. If the car is traveling at 70.5 ft/s , what is
the minimum curvature of the road that will allow the car to accelerate at 3.75 ft/s without sliding?
Express your answer to three significant figures and include the appropriate units.
Transcribed Image Text:Suppose that the tires are capable of exerting a maximum net friction force of 772 lb. If the car is traveling at 70.5 ft/s , what is the minimum curvature of the road that will allow the car to accelerate at 3.75 ft/s without sliding? Express your answer to three significant figures and include the appropriate units.
Part A- Finding the het friction force
Learning Goal:
To set up and evaluate the equations of motion in a
normal-tangential coordinate system.
The car is traveling at a speed of 62.5 ft/s, which is increasing at a rate of 4.55 ft/s? , and the curvature of the road is
p = 710 ft. What is the magnitude of the net frictional force that the road exerts on the tires?
Express your answer to three significant figures and include the appropriate units.
A car of weight 3850 lb is traveling around a curve
of constant curvature p.(Figure 1)
• View Available Hint(s)
Figure
1 of 1>
F =
Value
Units
Submit
Part B - Finding the maximum allowable acceleration
2080 lb. If the car is traveling at 64.5 ft/s and the
Suppose that the tires are capable of exerting a maximum friction force
curvature of the road is p = 410 ft , what is the maximum tangetial acceleration that the car can have without sliding?
Express your answer to three significant figures and include the appropriate units.
> View Available Hint(s)
Transcribed Image Text:Part A- Finding the het friction force Learning Goal: To set up and evaluate the equations of motion in a normal-tangential coordinate system. The car is traveling at a speed of 62.5 ft/s, which is increasing at a rate of 4.55 ft/s? , and the curvature of the road is p = 710 ft. What is the magnitude of the net frictional force that the road exerts on the tires? Express your answer to three significant figures and include the appropriate units. A car of weight 3850 lb is traveling around a curve of constant curvature p.(Figure 1) • View Available Hint(s) Figure 1 of 1> F = Value Units Submit Part B - Finding the maximum allowable acceleration 2080 lb. If the car is traveling at 64.5 ft/s and the Suppose that the tires are capable of exerting a maximum friction force curvature of the road is p = 410 ft , what is the maximum tangetial acceleration that the car can have without sliding? Express your answer to three significant figures and include the appropriate units. > View Available Hint(s)
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