what is force of friction ??
ksneha2707:
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. ... Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.
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Friction is the force that resists motion when the surface of one object comes in contact with the surface of another. ... An automobile uses one-quarter of its energy on limiting the friction
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ᴛʜᴇ ғʀɪᴄᴛɪᴏɴ ғᴏʀᴄᴇ ɪs ᴛʜᴇ ғᴏʀᴄᴇ ᴇxᴇʀᴛᴇᴅ ʙʏ ᴀ sᴜʀғᴀᴄᴇ ᴀs ᴀɴ ᴏʙᴊᴇᴄᴛ ᴍᴏᴠᴇs ᴀᴄʀᴏss ɪᴛ ᴏʀ ᴍᴀᴋᴇs ᴀɴ ᴇғғᴏʀᴛ ᴛᴏ ᴍᴏᴠᴇ ᴀᴄʀᴏss ɪᴛ. ᴛʜᴇʀᴇ ᴀʀᴇ ᴀᴛ ʟᴇᴀsᴛ ᴛᴡᴏ ᴛʏᴘᴇs ᴏғ ғʀɪᴄᴛɪᴏɴ ғᴏʀᴄᴇ - sʟɪᴅɪɴɢ ᴀɴᴅ sᴛᴀᴛɪᴄ ғʀɪᴄᴛɪᴏɴ. ᴛʜᴏᴜɢʜ ɪᴛ ɪs ɴᴏᴛ ᴀʟᴡᴀʏs ᴛʜᴇ ᴄᴀsᴇ, ᴛʜᴇ ғʀɪᴄᴛɪᴏɴ ғᴏʀᴄᴇ ᴏғᴛᴇɴ ᴏᴘᴘᴏsᴇs ᴛʜᴇ ᴍᴏᴛɪᴏɴ ᴏғ ᴀɴ ᴏʙᴊᴇᴄᴛ..
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