TY - GEN TI - Unit 3 motion under gravity: a scientific theory SN - 0335163262 U1 - 531.14 PY - 1994/// CY - Colombo PB - The Open University KW - Mass and gravity KW - Dynamics, statics, mass and gravity, particle meehanics KW - Physics KW - Solid meehanics KW - Classical meehanics ER -