What is the difference between static friction and sliding friction ? for a given pair of objects, which of the two is greater ?
Answers
Answer:
Static friction: The friction between the two surfaces of the bodies which are in contact with each other and also at rest relatively is called static friction. ... For a given pair of objects static friction is most of the time greater than sliding or kinetic friction due to the amount of the force used to overcome it.
ᴡʜᴇɴ ᴛʜᴇ ʙᴏᴅʏ ɪs ɪɴ sᴛᴀᴛɪᴏɴᴀʀʏ sᴛᴀᴛᴇ ᴏʀ ɪs ᴀᴛ ʀᴇsᴛ, ᴛʜᴇ ғʀɪᴄᴛɪᴏɴᴀʟ ғᴏʀᴄᴇs ᴀᴄᴛɪɴɢ ᴏɴ ᴛʜᴇ ʙᴏᴅʏ ɪs ᴋɴᴏᴡɴ ᴀs sᴛᴀᴛɪᴄ ғʀɪᴄᴛɪᴏɴᴀʟ ғᴏʀᴄᴇs. ʙᴜᴛ ᴡʜᴇɴ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ɪs ᴘᴜsʜᴇᴅ ᴀɴᴅ ɪᴛ ᴍᴏᴠᴇs, ᴛʜᴇ ғʀɪᴄᴛɪᴏɴ ᴛʜᴀᴛ ᴄᴏᴍᴇs ɪɴᴛᴏ ᴀᴄᴛɪᴏɴ ɪs sʟɪᴅɪɴɢ ғʀɪᴄᴛɪᴏɴ. ᴛʜᴇ sᴛᴀᴛɪᴄ ғʀɪᴄɪᴛᴏɴ ɪs ɢʀᴇᴀᴛᴇʀ ᴛʜᴀɴ sʟɪᴅɪɴɢ ғʀɪᴄᴛɪᴏɴ ʙᴇᴄᴀᴜsᴇ ᴍᴏʀᴇ ғᴏʀᴄᴇ ɪs ʀᴇǫᴜɪʀᴇᴅ ᴛᴏ ʀᴇᴍᴏᴠᴇ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ғʀᴏᴍ ʀᴇsᴛ sᴛᴀᴛᴇ ɪɴᴛᴏ ᴅʏɴᴀᴍɪᴄ sᴛᴀᴛᴇ. ᴏɴᴄᴇ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ᴄᴏᴍᴇs ɪɴᴛᴏ ᴍᴏᴛɪᴏɴ, ɪᴛ ɪs ᴇᴀsɪᴇʀ ᴛᴏ ᴋᴇᴇᴘ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ᴍᴏᴠɪɴɢ ʙʏ ᴀᴘᴘʟʏɪɴɢ ᴄᴏᴍᴘᴀʀᴇᴛɪᴠᴇʟʏ ʟᴇssᴇʀ/ᴡʜᴀᴛ-ᴅɪғғᴇʀᴇɴᴄᴇ-ʙᴇᴛᴡᴇᴇɴ-sᴛᴀᴛɪᴄ-ғʀɪᴄᴛɪᴏɴ-sʟɪᴅɪɴɢ-ғʀɪᴄᴛɪᴏɴ-ɢɪᴠᴇɴ-ᴘᴀɪʀ-ᴏʙᴊᴇᴄᴛs-ᴡʜɪᴄʜ-ɢʀᴇᴀᴛᴇʀ
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