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

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requirement
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.
describe the relevant physics concepts
draw sketches and present equations that properly convey the
scientific content
included realistic numerical values of physical quantities
and used correct units
given the scientifically reputable references, you used to
create this video