Question

the property of the surfaces in contact that gives rise to friction​

Answer 1

Answer:

$there \: are \: three \: main \: surfaces \: that \: leads \: to \: friction....$

1. Adhesion in between molecules.
2. Roughness of the surface
3. Irregularity and deformation of the surface.

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Answer 2

Answer:

➡ ᴀᴅʜᴇsɪᴏɴ ɪɴ ʙᴇᴛᴡᴇᴇɴ ᴍᴏʟᴇᴄᴜʟᴇs.

➡ ʀᴏᴜɢʜɴᴇss ᴏғ ᴛʜᴇ sᴜʀғᴀᴄᴇ.

➡ ɪʀʀᴇɢᴜʟᴀʀɪᴛʏ ᴀɴᴅ ᴅᴇғᴏʀᴍᴀᴛɪᴏɴ ᴏғ ᴛʜᴇ sᴜʀғᴀᴄᴇ.