(a)overrightarrowFtextA on BoverrightarrowFtextB on Astands forbeginmatrix FtextA on Bx FtextB on Ax FtextA on By FtextB on Ay FtextA on Bz FtextB on Az endmatrix




(b) overrightarrowFtexttotaloverrightarrowF1overrightarrowF2ldots stands forbeginmatrix Ftexttotalx F1xF2xldots Ftexttotaly F1yF2yldots Ftexttotalz F1zF2zldots endmatrix




(c) overrightarrowafracDelta overrightarrowvDelta t stands forbeginmatrix ax Delta vx Delta t ay Delta vy Delta t az Delta vz Delta t endmatrix