Recent content by Khát v?ng - Aspiration

Give a slender slat being homogeneous, having equilateral section, mass m, length l, can turn round the horizontal axis going through one slat tip and being perpendicular to the slat. Skip friction in rotation axis and environmental resistance. The inertia moment of slat with respect to the...

Give a slender slat AB being homogeneous and having equilateral section, length l and mass m. At tip B of slat, people glue a point matter to have mass m/2. The center block of system (slat and point matter) distance tip A a length A. l/2. B. l/6. C. 2l/3. D. l/3.