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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago

graphic(04-40.jpg)

Mary pushes horizontally on a large, heavy table, which is standing alone in the middle of a room, and notes that the table does not move despite the fact that she is pushing on it (see the figure). Why doesn't the table move?       

A) According to Newton's meaning of the word "force," the horizontal push against the table was not really a force.
B) Although it is true that forces cause accelerations, they do not cause velocities; therefore, the table acquired no velocity.
C) Newton's law of force pairs says that there is an opposite "reaction force" by the table against the instructor's hand, and this reaction force keeps the table from moving.
D) The table had so much mass that its inertia kept it from moving.
E) Frictional forces by the floor on the table legs acted in the opposite direction to produce a net force of zero.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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