24jesuslover 24jesuslover

26-06-2017
Chemistry

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Which of the following is an example of a contact force?

A. A magnet moving a metal object
B. Gravity causing a rock to move
C. A person pushing a box across the floor
D. A person falling out of the sky

Respuesta :

ejrevere5 ejrevere5

26-06-2017

C. A person pushing a box across the floor

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TheBestBrain TheBestBrain

26-06-2017

I believe it would be C. A person pushing a box across the floor because it is the only thing that uses direct contact to apply a force, which is the definition of a contact force

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