51:43

moment of a force... physics by Prosper Nnodi..

53:33

machines. mechanical advantage and velocity ratio

30:15

Over-Refraction explained in lay terms || Saudi optometry exams || SCFHS Contact lens Questions.

14:17

Exercise 10A | Question 6 | Triangles, Quadrilaterals, and Polygons | Oxford Mathematics for Grade 7

58:51

Mathematical Logic

29:30

friction 3

35:53

Coulomb's Law - Net Electric Force & Point Charges

22:57

Pulley Physics Problem - Finding Acceleration and Tension Force