MCAT Physics Equations/Concepts Review Practice Exam.

MCAT Physics Equations/Concepts Review Practice Exam. Kinematics Equations - CORRECT ANSWER Force of Gravity Between Two Objects - CORRECT ANSWER Units of G = N∗m²/kg² Kinetic Friction - CORRECT ANSWER Static Friction - CORRECT ANSWER Uniform Circular Motion - Velocity - CORRECT ANSWER Velocity vector is constantly changing and is tangential to the circle of motion Centripetal Acceleration - CORRECT ANSWER The acceleration vector always points toward the center of the circle and constantly changes direction as the object moves. Centripetal Force - CORRECT ANSWER Torque - CORRECT ANSWER θ = angle between F and the lever arm. (Max force at sin90° = 1) By convention, clockwise rotation is negative, counterclockwise rotation is positive. Work-Energy Theorem - CORRECT ANSWER Kinetic Energy - CORRECT ANSWER SI Unit for KE (all energy) = Joules = kg∗m²/s² Work - CORRECT ANSWER θ = angle between F and the displacement vector. Only forces (or components of forces) that are parallel or anti-parallel to the displacement vector will do work. Max work at cos0 or cos180 = 1 or -1. Gravitational Potential Energy - CORRECT ANSWER Conservation of Energy - CORRECT ANSWER Power - CORRECT ANSWER SI Unit for Power = Watt = J/s = Energy consumption, transfer or transformation per unit time Momentum - CORRECT ANSWER Momentum is measured in kg∗m/s Conservation of Momentum - CORRECT ANSWER For elastic and inelastic collisions Completely Inelastic Collision - CORRECT ANSWER Hooke's Law - CORRECT ANSWER F = restoring force, k = spring constant, x = displacement from natural length. Larger k = stiffer spring, and larger magnitude of restoring force for a given displacement. F is always opposite the direction of displacement.