Saturday, January 2, 2010

Strength training - inclined hack squat machine

16 plates x 45 lbs each = 720 lbs

The inclined hack squat machine appears to be at a 30 degree angle - so I am not actually lifting all that weight, the force is going in different directions. I can't remember how to calculate vectors and resultants (Statics & Strength of Materials). I was able to at one time, but it is one of those subjects you forget if you don't use it in real life.

20 plates x 45 lbs each = 900 lbs

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