a type of toy motor commonly found in toy cars and other vehicles, where the motion of the toy is generated by the friction between the wheels and the surface it moves on, without the need for batteries or external power sources
أمثلة
The friction motor inside this toy airplane makes it soar when you give it a good pull.
المحرك الاحتكاكي داخل هذه الطائرة اللعبة يجعلها تحلق عندما تقوم بسحبها بقوة.