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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
A packing crate slides down an inclined ramp at constant velocity.  Thus we can deduce that
A) a frictional force is acting on it.
B) a net downward force is acting on it.
C) a net upward force is acting on it.
D) it is not acted on by appreciable normal force.
E) it is not acted on by appreciable gravitational force.
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bio_manbio_man
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