The 0.8-Mg car travels over the hill having the shape of a parabola. If the driver maintains a constant speed of 9 m/s, determine both the resultant normal force and the resultant frictional force that all the wheels of the car exert on the road at the instant it reaches point A. Neglect the size of the car.

The weight of the spring held follower AB is 0.381 kg and moves back and forth as its end rolls on the contoured surface of the cam, where r = 0.2 ft and z = (0.1sin20) ft. If the cam is rotating at a constant rate of 6 rad/s, determine the force, in Ib, at the end A of the follower where e = 45°. In this position, the spring is compressed 0.4 ft. Neglect friction at the bearing C. Round your answer to 3 decimal places. z = 0.1 sin 20 0.2 ft e = 6 rad/s A k = 12 lb/ft

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A 0.8 Mg car travels over the hill having the shape of a parabola. If the driver maintains a constant speed of 9 m/s, determine both the resultant normal force and the resultant frictional force that all the wheels of the car exert on the road at the instant it reaches A. y = 20 (1 – À00 -80 m-

F13–15. The 2-Mg car is traveling along the curved road described by r = (50e2") m, where e is in radians. If a camera is located at A and it rotates with an angular velocity of ở = 0.05 rad/s and an angular acceleration of Ö = 0.01 rad/s? at the instant e =% rad, determine the resultant friction force developed between the tires and the %3D road at this instant. 1 = (50e2") m-

If the track is designed so that the passengers of the roller coaster do not experience a normal force less than 1/2 or more than 3 times their weight, determine the limiting heights hA and hC so that this does not occur. The roller coaster starts from rest at position A. Neglect friction. Please show every single step of the process

The pipe has a mass of 800 kg and is being towed behind a truck. If the angle 6 = 30°, determine the acceleration of the truck and the tension in the cable. The coefficient of kinetic friction between the pipe and the ground is µg = 0.1. a, 45° 0.4 m C

During a brake test, the rear-engine car is stopped from an initial speed of 80 km/h in a distance of 68 m. If it is known that all four wheels contribute equally to the braking force, determine the braking force Fat each wheel. Assume a constant deceleration for the 1290-kg car. -68 m V1 = 80 km/h l'g = 0 Answer: F = i N

P = 600 N 1.25 m 0.25 m- 0.25 m A 0.5 m - 1.25 m 0.75 m The trailer with its load has a mass of 150 kg and a center of mass at G. If it is subjected to a horizontal force of P = 600 N, determine the trailer's Acceleration and the Normal Force on Wheels A and B. The wheels are free to roll (No Friction) and have negligible mass.

*13-68. The 0.8-Mg car travels over the hill having the shape of a parabola. If the driver maintains a constant speed of 9 m/s, determine both the resultant normal force and the resultant frictional force that all the wheels of the car exert on the road at the instant it reaches point A. Neglect the size of the car. 13-69. The 0.8-Mg car travels over the hill having the shape of a parabola. When the car is at point A, it is traveling at 9 m/s and increasing its speed at 3 m/s?. Determine both the resultant normal force and the resultant frictional force that all the wheels of the car exert on the road at this instant. Neglect the size of the car. -y = 20 (1 - 6400 80 m