4. The rear-wheel-drive pickup truck, with its center of gravity atG, is to negotiate a bump from a standing start in the positionshown. The static and kinetic coefficients of friction between thetires and the pavement are 0.18 and 0.15, respectively.Determine the largest slope angle 0 that can be negotiated,assuming that the drive wheels are (a) spinning; and (b) notspinning.12 in.60 in. 40 in.

Answered: Image /qna-images/answer/fbe325c3-8a5e-4cbb-a6a1-4eef6a74addb.jpg

Answered: 4. The rear-wheel-drive pickup truck,…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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SITUATION. The a-t curve for a particle having a rectilinear motion is shown in the figure. At t=0, the velocity is 30 ft/s and the particle is at the origin. a (ft/s²) 0 +10 -10 Determine the maximum velocity in ft/sec. 7 t (sec) 13 -3
Situation 03. A road having a radius of 120m and has an angle of 9.31° from the horizontal. The center of gravity of the car is located 0.80m above the roadway and the distance between the two front wheels is 1.20m. If the car has a total weight of 15KN, a. Compute the normal acceleration and the velocity of the car before overturning. b. If = 0.60, what is the velocity of the car without sliding? %3D
1. The right side of a truck has a constant speed of 6 m/s as it turns to the left on a path with of curvature of 16m. The direction of the angular velocity vector of the rear right wheel is changing as the truck turns. What is the magnitude and direction (relative to the truck) of the angular acceleration vector, &, of the rear right wheel? SIDE VIEW REAR R = 0.3m p = 16 m TOP VIEW VT = 6 m/s FRONT VT = 6 m/s
A car requires 4m to stop after the application of brakes. Determine the speed of the car just before the brakes were applied. The road has a slope of -2.4% and average of coefficient of friction of 0.42.
The radius of a highway curve is 120 m, and has an angle of 9.31° from the horizontal. The center of gravity of the car is located 0.80 m above the roadway and the distance between the two front wheels is 1.2 m. If the car has a total weight of 15 KN. a. Determine the normal acceleration and the velocity (in kph) of the car before overturning. b. Find the maximum velocity of the car could move along the curve so that there will be no outstanding pressure between the tires and the roadway. c. If the coefficient of kinetic friction is 0.60, what is the maximum velocity (in kph) of the car without sliding.
SHOW THE DIAGRAM AND THE COMPLETE SOLUTION: 2. The breaking distance for a car moving at an initial velocity of 60kph and a final of 40kph. Slope of roadway is +5% coefficient of friction between tires and pavement 0.15. Compute the breaking time required for the vehicle. Hint: breaking time V g(f+G) =
To anticipate the dip and the hump in the road, the driver of a car applies his brakes to produce a uniform deceleration. His speed is 100kph at the bottom A of the dip and 50 kph at the top C of the hump. The length of the road from A to C is 120m. The radius of curvature of the hump at C is 150m. The total acceleration at A is 3 m/s^2. Compute the radius of curvature at A.
3. A building is located 8.8 m from the centerline of the inside lane of a curved section of highway whose radius is 145 m. the road is level and e is equal to 0.10. Determine the maximum possible design speed. Assume the longitudinal and lateral coefficients of friction are equal to 0.35 and 0.13, respectively. Ensure you check speed for both stopping sight distance and vehicle stability. Assume a standard perception-reaction time of 2.5sec.
Problem 1: A.) Find the angle of banking for a highway curve of 90 meter radius designed to accommodate cars traveling at 160 kph if the coefficient of friction between the tires and the road is 0.60 B.) What is the rated speed of the curve?
a=80. b=-2.5

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