A 1 555-kg automobile has a wheel base (the distance between the axles) of l = 2.85 m. The automobile's center of mass is on the centerline at a point 1.35 m behind the front axle. Find the force exerted by the ground on each wheel. Part 1 of 3 - Conceptualize Since the center of mass is located in the front half of the car, there should be more force on the front wheels than the rear ones. The sum of the wheel forces must equal the weight of the car. Part 2 of 3 - Categorize Use the figure as a force diagram. Apply Newton's second law and sum the torques to find the unknown forces. Part 3 of 3 - Analyze The torque about the front axle is zero, so we have Στ = 0 = (d Fg) - l (2F₁). Thus the force at each rear wheel is given by d F F₁ = F₁ = 2Ff 9 28 Fg m)( X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step da -2F₁ 2 2F, N. Since the sum of the wheel forces equals the weight of the car, we have 2F₁ + 2F₁ = Fg. Substitu and solving for F₁, we obtain the force at each front wheel. 2(E X Your response differs from the correct answer by more than 10%. Double check your calculations. m (N)-2( 2 N. 1.35 (N) 1.555 1.35
A 1 555-kg automobile has a wheel base (the distance between the axles) of l = 2.85 m. The automobile's center of mass is on the centerline at a point 1.35 m behind the front axle. Find the force exerted by the ground on each wheel. Part 1 of 3 - Conceptualize Since the center of mass is located in the front half of the car, there should be more force on the front wheels than the rear ones. The sum of the wheel forces must equal the weight of the car. Part 2 of 3 - Categorize Use the figure as a force diagram. Apply Newton's second law and sum the torques to find the unknown forces. Part 3 of 3 - Analyze The torque about the front axle is zero, so we have Στ = 0 = (d Fg) - l (2F₁). Thus the force at each rear wheel is given by d F F₁ = F₁ = 2Ff 9 28 Fg m)( X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step da -2F₁ 2 2F, N. Since the sum of the wheel forces equals the weight of the car, we have 2F₁ + 2F₁ = Fg. Substitu and solving for F₁, we obtain the force at each front wheel. 2(E X Your response differs from the correct answer by more than 10%. Double check your calculations. m (N)-2( 2 N. 1.35 (N) 1.555 1.35
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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