الفيزياء- الصف التاسع المتقدم (باللغة الانكليزية) - الفصل الثاني
4.1 Force and Motion
Force and Motion 13:20
Field forces 05:38
Combining Forces 02:30
Acceleration and Force 07:13
Newton’s Second & First Law 09:39
4.2 Weight and Drag Force
Weight and Drag Force 06:2
Apparent weight 09:27
4.3 Newton’s Third Law
Newton’s Third Law 03:23
Using Newton’s third law 04:37
Tension 04:38
The Normal Force 02:47
5.1 Vectors
Vectors 07:14
Adding vectors in two dimensions 11:1
Vector Components 08:4
Component Vectors 04:35
Algebraic Addition of Vectors 12:23
5.2 Friction
Friction 08:1
Mathematical Models for Friction Forces 05:6
Measuring Coefficients of Friction 03:35
5.3 Forces In two Dimensions
Forces In two Dimensions 04:13
Inclined Planes 10:14
6.1 Projectile Motion
Projectile Motion 05:20
Horizontally Launched Projectiles 06:1
Angled Launches 10:30
6.2 Circular Motion
Circular Motion 06:33
Centripetal Acceleration 03:38
Direction of Acceleration 02:57

