   Chapter 4.2, Problem 4.4QQ

Chapter
Section
Textbook Problem

A small sports car collides head-on with a massive truck. The greater impact force (in magnitude) acts on (a) the car, (b) the truck, (c) neither, the force is the same on both. Which vehicle undergoes the greater magnitude acceleration? (d) the car, (e) the truck, (f) the accelerations are the same.

(a)

To determine
The magnitude of impact force.

Explanation

According to Newton’s third law, the action and the reaction forces acting on different objects are equal in magnitude but opposite in direction.

Conclusion:

On applying Newton’s third law, the magnitude of the impact force is the same on both the car and the truck. Hence, option (c) is correct.

Action force is the force exerted by the car on the truck...

(b)

To determine
The magnitude of acceleration.

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