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26 May, 04:27

What is the difference between contact and action-at-a-distance forces?

A. Action-at-a-distance forces are stronger than contact forces.

B. Contact forces are stronger than action-at-a-distance forces.

C. Contact forces require objects to physically touch, while action-at-a-distance forces do not.

D Action-at-a-distance forces require objects to physically touch, while contact forces do not.

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  1. 26 May, 04:50
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    A

    Contact forces are forces that require the actual contact (touching) of two pieces of matter ... A field force is a force that works at a distance. No touching is required. Gravity is a good example of a field force, because it works whether or not an object is touching something or touching nothing at all.
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