Free Educational Language Porn Videos from Thumbzilla

© Thumbzilla.com, 2026

Notice to Users

English

English
Czech
Danish
Dutch
Finnish
French
German
Greek
Hungarian
Italian
Polish
Portuguese
Romanian
Slovak
Spanish
Swedish
Russian
Japanese
Chinese

Search Thumbzilla
- [[itemVal]]

Related Tags

Educational Language Porn - 4,331 Videos
- Longest
All HD
342 16.1. Differential equations for the rotation of a rigid body around a fixed axis 186:26 HD
60 11.2. Point speed (1 of 2) 175:44 HD
222 13.2. Determination of the parameters of rectilinear motion by given forces 166:51 HD
21 21.1. Oscillations of systems with one degree of freedom (1 of 2) 164:05 HD
309 13.3. Determination of parameters of curvilinear motion based on given forces 161:26 HD
39 15.1. Work and power of force 156:22 HD
186 2.3. Equilibrium of a Planar System of Parallel Forces (2 of 2) 154:25 HD
23 Learn to Pen Test with me! First Stream! 153:44 HD
23 17.4. Determination of dynamic reactions of bearings (1 of 2) 153:07 HD
46 20.6. The equations of the second -kind lagrange for systems with several degrees of freedom 145:29 HD
174 7.4. Variable acceleration of a point in a rectangular coordinate system 145:03 HD
35 14.2. Импульс. Количество движения 144:45 HD
59 9.7. Acceleration of points of a flat figure (2 of 2) 143:16 HD
35 19.2. Application of the General Equation of Dynamics to Describe the Motion of a System of Bodies 140:49 HD
104 3.2. Equilibrium of a statically determinate system of bodies under the action of a planar system of 138:56 HD
167 14.1. Theorem on the motion of the center of mass 138:45 HD
390 2.2. The main vector and the main moment of the plane system of forces. Reducing to the simplest for 136:59 HD
149 15.6. Theorem on the change in kinetic energy of a solid body 133:31 HD
223 10.1. Spherical motion. Vectors of the angular velocity and angular acceleration of the body 133:02 HD
44 20.5. The equation of the second -kind lagrange for systems with one degree of freedom 132:21 HD
35 17.3. Метод кинетостатики для твёрдого тела и механической системы (4 из 4) 131:22 HD
70 3.2. Equilibrium of a statically definable system of bodies under the action of a plane system of fo 131:18 HD
71 19.1. Determination of the generalized inertia forces in systems with one and two degrees of freedom 131:14 HD
34 11.4. Determining Coriolis Acceleration 130:38 HD
29 18.3. The principle of possible movements (1 of 2) 129:42 HD
99 8.4. Преобразование поступательного и вращательного движения тела в механизмах 129:00 HD
34 9.7. Acceleration of points of a flat figure (1 of 2) 127:52 HD
60 15.7. Theorem on the change in kinetic energy of a mechanical system 127:34 HD
28 17.3. Kinetostatic method for a solid and a mechanical system (3 of 4) 122:54 HD
32 19.3. The use of a general dyn. equation to determine ext. influences and parameters of mec. 121:02 HD
129 5.4. Reduction of an arbitrary system of forces to a given center and to the simplest form 119:45 HD
178 1.1. Addition and decomposition of converging forces in the plane 118:13 HD
26 17.4. Determining the dynamic reactions of bearings (2 of 2) 117:46 HD
115 2.4. Equilibrium of an arbitrary planar system of forces (3 of 4) 117:28 HD
49 17.3. Kinetostatic method for a solid and a mechanical system (1 of 4) 116:22 HD
25 20.2. Summarized forces of systems with one degree of freedom (2 of 2) 116:10 HD

1
2
3
4
5
...
10
Next