Part A PSS 7.1 Interacting-Objects Problems Which of the following diagrams is t

Question

Part A PSS 7.1 Interacting-Objects Problems Which of the following diagrams is the correct interaction diagram for the situation described in this problem? Each red line represents an interaction and an action/reaction pair of forces The labels used in the diagrams are the following Learning Goal: To practice Problem-Solving Strategy 7.1 for interacting objects problems ·C=car ·T-truck . S -road surface A 1230-kg car is pushing an out-of-gear 2180 -kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push horizontally against the ground with a force of 4450 N. The rolling friction of the car can be neglected, but the heavier truck has a rolling riction of 770 N, including the "Triction of turning the truck's drivetrain. What is the magnitude of the force the car applies to the truck? EE entire earth System System

Explanation / Answer

Force provided by ground to car=4450 N (By Newton 3rd law)

Let force applied is N

let they are going with accleration a

4450-N=1230a

N-770=2180a

we got a=1.08 m/s^2

N=4450-1230a=3122.6 N

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