From 16a8d942af9be3c618f1bbdf5fb1cad169ecc66a Mon Sep 17 00:00:00 2001 From: eggy Date: Wed, 14 Oct 2020 21:20:36 -0400 Subject: [PATCH] phys: newton's first law --- docs/sph3u7.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index 827fe01..bde703d 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -384,6 +384,8 @@ Force diagrams must include: If an object as a **zero net force** in all dimensions, the forces acting on it are **balanced** and motion does not change. Otherwise, there is a change in motion and the forces acting on the object are **unbalanced**. +An object in motion stays in constant motion in a straight line unless acted upon by an outside force. An object at rest stays at rest unless acted upon by an outside force. + ## 2.3 - Work, energy, and power ## 2.4 - Momentum and impulse