What is the net external force on an object in freefall on Earth if you were to neglect the effect of air? O The net force iszero. O The net force is upward with magnitude mg. O The net force is downward with magnitude mg. O The net force is downward with magnitude 9.8 N.

What is the net external force on an object in freefall on Earth if you were to neglect the effect of air? O The net force iszero. O The net force is upward with magnitude mg. O The net force is downward with magnitude mg. O The net force is downward with magnitude 9.8 N.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 13PQ

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What is the net external force on an object in freefall on Earth if you were to neglect the effect of air?
O The net force iszero.
O The net force is upward with magnitude mg.
The net force is downward with magnitude mg.
O The net force is downward with magnitude 9.8 N.

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