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Chapters
- 100:00 - 00:27
Scissors are composed of two different types of simple machines: wedge and lever.
- 200:27 - 00:36
The scissors' blades are sharpened into wedges, and the arms that are squeezed together are levers.
- 300:36 - 00:45
Scissors are used for cutting various thin materials,
- 400:45 - 00:48
The scissors' blades are sharpened into wedges, and the arms that are squeezed together are levers.
- 500:48 - 00:57
, such as paper, cardboard, metal foil, cloth, rope, and wire.
- 600:57 - 00:59
Knives
- 700:59 - 01:07
A wedge is a simple machine used to push two objects apart.
- 801:07 - 01:13
Examples of the wedge include knives, chisels, and axes.
- 901:13 - 01:17
A screw is a special kind of inclined plane
- 1001:17 - 01:28
knife is used for cutting, chopping, dicing, slicing, mincing, peeling, separating,
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