What is the SI unit of work is the newton?

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Answer 1 · 2017-05-18T03:30:32

$"Joule (J)"$

What is the SI unit of work? And are you asking if it's the Newton?

$color(white)(aaaaaaaaaaaaaaa)"Work" = F*dcostheta$

Where
$"F = Force" (N or (kg*m)/s^2)$

$"d = displacement (m)"$

$costheta = "angle between the applied force and displacement"$

$---------------------$

$W = color(magenta)"F"*color(blue)"d"costheta$

$W = color(magenta)"N"*color(blue)"m"->color(magenta)(((kg*m)/s^2))*color(blue)"m"$

becomes...

$W = (kg*m^2)/s^2$

so...

$1" Joule" = N*m = (kg*m^2)/s^2$

But scientists would rather use $"Joules (J)"$ than write out $(kg*m^2)/s^2$