From 3d5635c9e1c4de6f97004b50ff8b4b312c84bb17 Mon Sep 17 00:00:00 2001 From: eggy Date: Tue, 3 Nov 2020 10:56:29 -0500 Subject: [PATCH] phys: update energy work equation --- docs/sph3u7.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index 3175c0c..0d810ba 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -432,7 +432,7 @@ $$W=\vec{F}\cdot\vec{d}\cdot\cos\theta$$ When work is done **by** exactly one force, the above is formula is used. However, when calculating for work **on** an object, or **total work**, the sum of all forces ($\Sigma F$) should be used instead of $F$. -The **work-energy theorem** states that work is also equal to the difference in kinetic energy of an object. +The **work-energy theorem** states that the **net work on** an object is also equal to the difference in kinetic energy of an object. $$W=\Delta E_k = \frac{1}{2}mv^2$$ ## 2.4 - Momentum and impulse