From 294a826875833e8820da91c934dd06e5493998c9 Mon Sep 17 00:00:00 2001 From: eggy Date: Thu, 15 Oct 2020 13:46:41 -0400 Subject: [PATCH] phys: add weight magnitude equation --- docs/sph3u7.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index 5b6cd74..7ac1af8 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -350,7 +350,7 @@ Contact (the two objects are touching) forces: Non-contact forces: - - **Weight** ($\vec{W}$) is the attraction between a mass and a planet. Its vector always points toward the planet. + - **Weight** ($\vec{W}$) is the attraction between a mass and a planet. Its vector always points toward the planet. The magnitude of weight is equal to the mass of the object times the acceleration due to gravity ($mg#). - **Electromagnetic forces** ($\vec{F_M}$ and $\vec{F_E}$) are not covered in this course. The origin and target of a force are placed in the subscript of that force.