Department of Mechanics;
Collage of Engineering and Islamic Architecture;
Umm Al-Qura University;
Makkah;
Saudi Arabia;
Math. Dept.;
Faculty of Science;
Tanta University;
Tanta;
Egypt;
Faculty of Science;
Umm Al-Qura University;
Makkah;
Saudi Arabia;
The Gyroscopic Motions; Moments of Inertia; SATELLITES; ANTENNAS; Solar Power Collector Systems;