Wednesday, October 28, 2009

phys (1026) - Space: weight on mars

today we discussed what our weight would be on mars or on the moon, which of course would be less because the force of gravity is less there.

we also began to talk about gravitational potential energy, which increases as an object is lifted higher from the earth, except even though the effect of gravity would be slightly weaker if we jumped, it would be negligible, aka dosent really count, its pretty much still the same.

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