# Car and Truck

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If a small sports car collides with a massive truck, which vehicle experiences the greater impact force? Which vehicle experiences the greater acceleration? (Explain)

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The forces between the truck and the car have the same magnitude and in opposite directions. This concept follows the the Newton's Third Law. Basically a force describes a particular type of interaction between two objects (parties). Since an interaction always involves two parties and therefore will result in two forces, in which case each object applies a force on the other object and receives a force of the same kind same magnitude but in opposite direction from the other object.

Although the forces are identical in magnitude, the object with smaller mass will experience a larger acceleration. That is why we see that the car will be bounced off a lot more than the truck does after the collision. It is the acceleration that we feel and that makes the speed and displacement.
answered Dec 22, 2013 by (21,750 points)