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Doc W wrote: (and we NEVER use imperial units in Physics!)
Probably mixed up with 50's Physics where a mixture was used.
Quoting from Experimental Physics Text book from 1950
Examples of Center of Gravity
Four weights, 2lb.,4lb.,6lb. and 8lb. are placed 1ft. apart along a uniform rod 3ft. long. If the rod weighs 10lb. find the position of the center of gravity.
Find the magnitude and the position of the resultant of the following like parrellel forces
a) 5lb. wt. and 7lb. wt. at a distance of 12 inches.
b)50 gm. wt and 20 gm. wt. at a distance of 14cm.
As you can see they used both metric and imperial measures ....just to confuse us poor 50's pupils.
Or in the British system the unit of absolute force was called a poundal
and energy was foot pounds and power was horsepower.
Now I am really interested to see how you were taught Physics 50's style in TTE3
back to the game
James Prescott Joule
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