What is the difference in virtual weight of a pack (say, ten lbs) being
carried bys omeone walking on level ground and the same person carrying
the same pack up a flight of stairs?
I'm sure I'm not using the corrrect terms here, I"m sure but I'm looking
for the as if.... related to the stress it puts on my body.
Is it like I'm carrying 5 more lbs? 20 more lbs? etc
answer ON list so ten people don't have to respond :-)
thanks, guys
ann
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