generating

  1. drtbear1967

    Bigger Muscle pull your Bones Better When Lifting.

    In terms of physics this due to the lengthening of so-called “moment arms”. The further you push from the hinge of a door, the longer the moment arm is said to be. . The moment arm also depends on HOW the force is applied to the door. Pushing straight att the door surface would mean more force...
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