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1. If a kite boarder has the mass of 58kg will the normal reaction of the board be
58 * 9.8 =568.4N
2. (Original post by Balkaran)
If a kite boarder has the mass of 58kg will the normal reaction of the board be
58 * 9.8 =568.4N
Assuming that no other vertical forces act on the boarder or board and the resultant force is zero, yes.

Might want to use g = 9.81 if your spec requires it.
3. (Original post by AHappyStudent)
Assuming that no other vertical forces act on the boarder or board and the resultant force is zero, yes.

Might want to use g = 9.81 if your spec requires it.
Thanks was abit unsure as we haven't done this in class yet. My teacher said it doesn't matter if use 9.8 or 9.81 because the gravitational force varies from 9.79 - 9.82 depending on where you live.

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Updated: October 29, 2017
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