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--- book:chap3:newton [2021/11/08 17:18] – abril
+++ book:chap3:newton [2022/04/01 19:49] (current) – jv
@@ Line 1: / Line 1: @@
-===== 3. Newton's Laws =====
+====== 3. Newton's Laws ======
-In [[book:chap2:forcestorques|Chapter 2]] we explored how several forces that act on a body can be subsumed into a net total force and torque. The body stays in rest, say at position $\vec q_0$, when the net force and torque vanish. Now we explore how the forces induce motion
+In [[book:chap2:forcestorques|Chapter 2]] we explored how several forces that act on a body can be subsumed into a net total force and torque. The body stays in rest, say at position $\mathbf q_0$, when the net force and torque vanish. Now we explore how the forces induce motion
-and how the position of the body evolves in time,$\vec q(t)$,
+and how the position of the body evolves in time, $\mathbf q(t)$,
-when it is prepared with an initial condition $\vec q(t_0) = \vec q_0$
+when it is prepared with an initial condition $\mathbf q(t_0) = \mathbf q_0$
 at the initial time $t_0$.