I asked
Originally Posted by PBL
Suppose the earth were to be spinning twice as fast. Your mass is unchanged. Are you heavier? (That is, does the scale show more?)
Wizofoz replied
Originally Posted by Wizofoz
No, your apparent weight would actually be less
Thanks for biting! I'm not -yet- saying what I think the answer is, because I don't want to spoil the UTC-Monday-morning fun
However, I don't think your reasoning works:
Originally Posted by Wizofoz
as the angular velocity of the Earth would impart a force in the opposite direction to gravity
Capt Pit Bull has already pointed out that the appropriate way to think of things is as forces causing accelerations, and not motions causing (or, as you say, imparting) forces.
Originally Posted by bookworm
After the groundspeed thread, I thought for a moment you were going to come up with another definitional question: Is the "acceleration of free fall" changed?
I like that! So, what's the answer?
PBL