ittsBlu3 ittsBlu3

11-06-2019
Physics

contestada

Which of these reduces fnction?
A car brakes
B
tire tread
C
ball bearings
D
sandpaper

Respuesta :

Mariartica Mariartica

11-06-2019

Answer:

The answer is C. Ball Bearings

Answer Link

11-06-2019

Ball bearings are used to reduce friction. (C)

Car brakes, tire tread, and sandpaper are used to INCREASE friction. There are many situations in which friction is a GOOD thing and we WANT it.

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