1. Present a brief explanation of how, by calculating forces and torques in a physical system such as the human body, it

[answerhappygod]

1. Present a brief explanation of how, by calculating forces and
torques in a physical system such as the human body, it is possible
to deduce the best way to lift an object without injuring
yourself.
requirement
describe the relevant physics concepts requirement draw sketches
and present equations that properly convey the scientific content
including realistic numerical values of physical quantities and
used correct units given the scientifically reputable
references