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Question Text#

A leaf falls off a tree and quickly accelerates to its terminal velocity. While it is still accelerating, (select all that are true):

Answer Section#

Select all the choices that apply.

Note: You will be awarded full marks only if you select all the correct choices, and none of the incorrect choices. Choosing incorrect choices as well as not choosing correct choices will result in deductions.

  • The drag force on the leaf and the force the leaf pushes on the air are the same size.

  • The drag force on the leaf and the weight of the leaf are Newton’s third law pairs.

  • The weight of the leaf equals the drag force on the leaf in magnitude.

  • The weight of the leaf is greater than the drag force on the leaf.

  • Although the weight and drag force are equal, the force in the direction of motion propels the leaf downward.

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.