Science is cool - friction

Friction is around us. It help us move everyday. Friction acts in the opposite direction of the movement. It occurs when two surfaces rub against each other.

All materials used in this video are been credited at the end credits.

----Gadgets----
1. Camera
Asus Zenfone Max Plus (X018D)
RealMe 5s (RMX1925)
Samsung WB250F
Sony Xperia M (C2005)
Brandless China Made Video Camera with night vision
Activeon CX Gold +plus Action Camera
2. Tripad (1 Small & 1 Medium Tall)
3. Microphone
Cande wired mic
Superadd wireless mic (x2)
4. 3-Axis Handheld Gimbal Model H4

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Please don't be rude. If I have some mistakes along the way. It means, I am a human. Not perfect at all. Keep safe and remember that Science means knowing, because Science is cool.