Identify the external force that accelerates the system.

Question

Your neighbor designs automobiles for a living. You are fascinated with her work. She is designing a new automobile and needs to determine how strong the front suspension should be. She knows of your fascination with her work and your expertise in physics, so she asks you to determine how large the normal force on the front wheels of her design automobile could become under a hard stop, when the wheels are locked and the automobile is skidding on the road. She gives you the following information. The mass of the automobile is m₂ = 1.00 × 10³ kg and it can carry five passengers of average mass m = 80.0 kg. The front and rear wheels are separated by d = 4.40 m. The center of mass of the car carrying five passengers is dCM = 2.25 m behind the front wheels and hCM = 0.630 m above the roadway. A typical coefficient of kinetic friction between tires and roadway is μ = 0.780. (Caution: The braking automobile is not in an inertial reference frame. Enter the magnitude of the force in N.) N

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Chapter 13, Problem 28PQ

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Identify the external force that accelerates the system.

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Your neighbor designs automobiles for a living. You are fascinated with her work. She is designing a new automobile and needs to determine how strong the front suspension should be. She knows of your fascination with her work and your expertise in physics, so she asks you to determine how large the normal force on the front wheels of her design automobile could become under a hard stop, when the wheels are locked and the automobile is skidding on the road. She gives you the following information. The mass of the automobile is m₂ = 1.00 × 10³ kg and it can carry five passengers of average mass m = 80.0 kg. The front and rear wheels are separated by d = 4.40 m. The center of mass of the car carrying five passengers is dCM = 2.25 m behind the front wheels and hCM = 0.630 m above the roadway. A typical coefficient of kinetic friction between tires and roadway is μ = 0.780. (Caution: The braking automobile is not in an inertial reference frame. Enter the magnitude of the force in N.) N

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Your neighbor designs automobiles for a living. You are fascinated with her work. She is designing a new automobile and needs to determine how strong the front suspension should be. She knows of your fascination with her work and your expertise in physics, so she asks you to determine how large the normal force on the front wheels of her design automobile could become under a hard stop when the wheels are locked and the automobile is skidding on the road. She gives you the following information. The mass of the automobile is ma = 1.10 ✕ 103 kg and it can carry five passengers of average mass m = 80.0 kg. The front and rear wheels are separated by d = 4.46 m. The center of mass of the car carrying five passengers is dCM = 2.25 m behind the front wheels and hCM = 0.630 m above the roadway. A typical coefficient of kinetic friction between tires and roadway is ?k = 0.850. (Caution: The braking automobile is not in an inertial reference frame. Enter the magnitude of the force in N.)