Sail E0 Webinar
Question
The function of ball bearings in a wheel is :
Options:
A .  To increase friction
B .  To convert kinetic friction into rolling friction
C .  To convert static friction into kinetic friction
D .  Just for convenience
Answer: Option A

Submit Your Solution Below and Earn Points !
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers