Recent content by datanhlg

Homework Statement A whip made from a material shaped shaft axis radius R and moment of inertia I and a crank with the axis perpendicular to the axis of rotation of length l and mass m, while the rest parallel to the handle - mass ##m_{2}##. It hangs on a hoist that has mass m. Suppose rope...

Homework Statement A lightweight bar, stiff stick of length L, at either end are two small spheres of mass ##m_{1} = m_{2} = m##. Bar may turn in vertical horizontal axis passing through point O on the way its a bar ##\frac{L}{3}##. At first, the bar is vertical. Due to a slight impact, the...

Hi, my name is Dat, my favorite subject is math, thank for watching.