Friction force, principle of friction and the angle of friction (ඝර්ෂණ බලය, ඝර්ෂණ මුලධර්මය සහ ඝර්ෂණ කෝණය)
Vectors
0/4
Coplanar Forces
0/5
Forces on a Rigid Body
0/3
Motion on a Straight Line
0/3
Relative Motion
0/3
Friction
0/2
Jointed Rods
0/1
Framework
0/1