(a) The inscriptions made in the design is possible due to friction when carving.
(b) The friction applied when you rub the crayons with the sandpaper is kinetic friction
Friction is a force that opposes two surfaces that are in contact. It limits the movement between these two surfaces.
The inscriptions made in the design is possible due to friction when carving.
There are two types of friction, static and kinetic friction. The friction applied when you rub the crayons with the sandpaper is kinetic friction because of there is movement between two surfaces.
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