Electric Origin of the Normal Force
For a book resting on a table, which statement best describes the origin of the normal force in terms of fundamental forces?
A
The normal force arises from nuclear forces between the book and table atoms
B
The normal force is a completely separate force unrelated to electric interactions
C
The normal force is a direct measurement of the gravitational attraction between objects
D
The normal force results from electron cloud repulsion between atoms at the contact surface
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