Recent content by Fisics

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Homework Statement A passenger is standing without slipping in a forward accelerating train. The coefficient of static friction between the feet and floor is 0.47 a) Draw an FBD for the passenger in Earth's frame of reference b)Draw an FBD for the passenger in the train's frame of reference...

Homework Statement How could mother nature have improved on our arm design so that we could lift larger loads? Homework Equations None. The Attempt at a Solution I really don't understand how our arm design could be improved. Perhaps our pivot point was moved must torque be maximized? I'm...