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Groucho's Fact Hunt


There is a teeny bit I. The moon. Or else Buzz would still be floating.
about 1/6ths of Earth's.
On Earth, for a bloke with mass 100kg, the force he exerts on a weighing scale is 100kg x 9.8m/s/s (ie mass x acceleration due to gravity) = 980Newtons. The scale then translates/scales this force into weight...100kg.
On the moon, the same bloke exerts 100kg*1.5m/s/s =150 Newtons. The scales calibration would then message a lower 'weight'...but of course weight is not really a physics concept - mass is. One's mass doesn't change on the moon...only the pressure exerted on the scales.
In short, you have to recalibrate earth-set scales to read mass correctly on the moon.
 
Last edited:
about 1/6ths of Earth's.
On Earth, for a bloke with mass 100kg, the force he exerts on a weighing scale is 100kg x 9.8m/s/s (ie mass x acceleration due to gravity) = 980Newtons. The scale then translates/scales this force into weight...100kg.
On the moon, the same bloke exerts 100kg*1.5m/s/s =150 Newtons. The scales calibration would then message a lower 'weight'...but of course weight is not really a physics concept - mass is. One's mass doesn't change on the moon...only the pressure exerted on the scales.
In short, you have to recalibrate earth-set scales to read mass correctly on the moon.
Took the words out of my mouth.
 

The numbers on a roulette wheel add up to 666.
the best way to sum a series of consecutive numbers is simply to add the lowest number to the highest, multiply by the total number of items in the series and then divide by two.
A roulette wheel has 38 slots but two are 0 and 00: so effectively 36 slots numbered 1-36. 36+1=37. there are 36 numbers in the series so 37x36=1332. 1332 divided by 2 =666.
 
the best way to sum a series of consecutive numbers is simply to add the lowest number to the highest, multiply by the total number of items in the series and then divide by two.
A roulette wheel has 38 slots but two are 0 and 00: so effectively 36 slots numbered 1-36. 36+1=37. there are 36 numbers in the series so 37x36=1332. 1332 divided by 2 =666.
Or, just read it here.

 
about 1/6ths of Earth's.
On Earth, for a bloke with mass 100kg, the force he exerts on a weighing scale is 100kg x 9.8m/s/s (ie mass x acceleration due to gravity) = 980Newtons. The scale then translates/scales this force into weight...100kg.
On the moon, the same bloke exerts 100kg*1.5m/s/s =150 Newtons. The scales calibration would then message a lower 'weight'...but of course weight is not really a physics concept - mass is. One's mass doesn't change on the moon...only the pressure exerted on the scales.
In short, you have to recalibrate earth-set scales to read mass correctly on the moon.
Can I shoot myself in the back of my head though
 

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