Forces & Friction Formula Cheat Sheet, Cheat Sheet of Physics

Download Forces & Friction Formula Cheat Sheet and more Cheat Sheet Physics in PDF only on Docsity! Forces & Friction Formulas Page 1 of 1 FDHS Physics Forces & Friction - Formula Sheet Newton’s 2nd Law o Fnet = mass x acceleration = m * a o If force is gravitational (Fg or weight↓),  Weight = mass * gravitational acceleration  Weight = m * g Kinematic Equations (general) o vf = v0 + at o vf 2 = v0 2 + 2ad o d = v0t + ½ at 2 Inclined Plane ( ) - F|| vs Ff o F|| down plane (causing motion) = mg sin o Ff up plane (friction force opposing motion) = mg cos Friction o Coefficient = Force of friction (Ff) (0 < <1) Normal force (FN) Ff = FN Net Force (Fnet) o Flat plane: Fnet = Fa – Ff = Fa – μmg o Inclined plane: Fnet = F|| - Ff = mgsinθ = μmgcosθ Pressure o P = Applied force area of application o P = F/A (= mg/A when using a gravity or weight model) Conversion o cm2 x 10-4 = m2 o mm2 x 10-6 = m2 Units o Force - Newtons o Pressure - N/m2 or Pascals (Pa)