WJEC Physics for AS Level: Revision Workbook

Unit 1: Motion, Energy and Matter Section 1 Basic physics Topic summary Basic physics Turning effect of a force Scalar and vector quantities SI system Centre of gravity Density Examples SI base units Use of m t = V Addition and subtraction of vectors Conditions for equilibrium Principle of moments Stability Resolution of vectors Checking for homogeneity Specified practical: Measurement of the density of solids Specified practical: Determination of unknown masses Section 1 Basic physics | 11