(7) What is used in cycle to increase friction ?Ans in one word
Class 8 NCERT Sci
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There are rubber tires filled with air to increase friction between the cycle and road. People may use grease and oil to reduce friction of heavy machinery.
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Ƴᴏᴜʀ ƛɴsᴡᴇʀ ɪs:- Ʀᴜʙʙᴇʀ Ƭɪʀᴇs.
Ӈᴏᴘᴇ ɪᴛ Ӈᴇʟᴘs ᴜʜ.....
Ӈᴀᴠᴇ ᴀ Ɠʀᴇᴀᴛ Ɗᴀʏ.....
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