Question

we use ball bearing between the hub and axle of ceiling fans and bicycles.why?​

Answer 1

$\huge\fbox\red{A}\fbox\pink{n}\fbox\purple{S}\fbox\green{w}\fbox\blue{E}\fbox\orange{r}$

➦Bᴀʟʟ ʙᴇᴀʀɪɴɢs ᴀʀᴇ ᴜsᴇᴅ ɪɴ ᴀxʟᴇ ᴏғ ᴄᴇɪʟɪɴɢ ғᴀɴs ɪɴ ᴀʟʟ ᴛʜᴇ ʙʟᴀᴅᴇs ᴀʀᴇ ᴄᴀʀᴇғᴜʟʟʟʏ ᴀᴛᴛᴀᴄʜᴇᴅ ᴛᴏ ᴛʜᴇ ᴄᴇɴᴛʀᴇ ᴄɪʀᴄʟᴇ. Sᴏ ᴛʜᴇʀᴇ ɪs ᴀ ғʀɪᴄᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇᴍ. Hᴜɢᴇ ʜᴇᴀᴛ ᴡɪʟʟ ʙᴇ ᴘʀᴏᴅᴜᴄᴇᴅ ᴀɴᴅ ɪᴛ ᴡɪʟʟ ʙᴇ ᴅᴀɴɢᴇʀᴏᴜs ᴛᴏ sᴡɪᴛᴄʜ ɪᴛ ᴏɴ. Hᴇɴᴄᴇ ʙᴀʟʟ ʙᴇᴀʀɪɴɢs ʀᴇᴅᴜᴄᴇ ғʀɪᴄᴛɪᴏɴ ᴀɴᴅ ʜᴇʟᴘ ɪɴ ᴜsᴀɢᴇ ᴏғ ᴄᴇɪʟɪɴɢ ғᴀɴ.

Explanation:

${\small{\mathcal{\orange{ItzPalak♡︎}}}}$

Answer 2

Answer:

ball bearing are used in axle of ceiling fans in all the blades are carefully attached to the centre circle . so there is friction between them. huge hate will be produced and it will be dangerous to switch it on

Explanation:

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