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# frictional

«frictional» in Mova's school dictionary: **Caused by or to do with friction, the force that slows…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

adjective (frictional) — (science)

### meaning for a pupil

(science) Caused by or to do with friction, the force that slows things when surfaces rub together. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#m1)

### sense in the lessons

In science lessons on forces: «frictional force» acts against movement; rough surfaces give more friction. Brakes, shoe grips and tyres use frictional forces. Frictional heat warms your hands when you rub them.

### examples

- Frictional force slows the toy car on the carpet. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#x1)
- Rubbing your hands makes frictional heat. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#x2)
- Brakes use frictional forces to stop a bike. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#x3)
- The ice has less frictional force than the road. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#x4)
- Draw an arrow for the frictional force. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#x5)
- Frictional forces wear down shoe soles. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/#x6)

### note

Technical word. Noun: friction. Frictional force acts opposite to the direction of motion.

### Trees and pragmatics

[Every meaning and example of «frictional» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/frictional/), each sentence with its dependency tree and frames.