From faf6135a19d1371b449c19ec30b3d7b0b5958b8b Mon Sep 17 00:00:00 2001
From: eggy <eggyrules@gmail.com>
Date: Thu, 8 Jul 2021 18:29:09 -0400
Subject: [PATCH] phys: Correct electromagnetic force symbol

---
 docs/sph4u7.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/sph4u7.md b/docs/sph4u7.md
index 46335c0..c2daad3 100644
--- a/docs/sph4u7.md
+++ b/docs/sph4u7.md
@@ -56,7 +56,7 @@ $$|F_m|=qvB\sin\theta$$
 Regardless of $\theta$, the force vector is always perpendicular to both $B$ and $v$,
 
 The above equation can be rearranged to find **electromagnetic** force in terms of current and wire length in a **uniform magnetic field**:
-$$|F_em|=BIL\sin\theta$$
+$$|F_{em}|=BIL\sin\theta$$
 
 <img src="/resources/images/magnet-on-wire.png" width=700>(Source: Kognity</img>