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To stop a table in your classroom falling through the floor what must the floor do against the force of gravity pulling the table down?
Wiki User
∙ 12y ago
Newton's third law of motion states that: "For applied force (A), exists some force (B) of equal magnitude acting in the opposite direction of the force applied.".
The force of the weight (which is the mass of the table multiplied by gravity) [W=mg] pushing down on the floor is counterbalanced by an equal and opposite force of the floor pushing up on the table. This is why the table does not fall through the floor. The floor is able to provide this force without allowing the table to move through it because the bonds between its atoms are strong enough.
Wiki User
∙ 12y ago
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