Please explain, and please don\'t copy paste responses from other posts. I haven

Question

Please explain, and please don't copy paste responses from other posts. I haven't been able to understand those.

If you stand on the ground and hold your hand palm-up, the atmosphere (air surrounding you) exerts a force of about 800 N on the palm of your hand. Compared to the following forces,

I. the force on the back of your hand,
II. the force on your palm when you are holding your hand vertically,
III. the force on your palm when you are holding your hand palm-down,

the 800-N force on your upraised palm is: (1 point)

A. equal to I, but different from II and III. B. different from I, II, and III. C. equal to II and III, but different from I. D. equal to I, II, and III.

Explanation / Answer

Your hand is in the atmosphere, Atmospheric pressure is applied on all sides of th hand independent of orientation.

Hnc the force applied is equal for very condition.

Answer is

Option D. equal to I, II, and III

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