༺ᴇxᴘʟᴀɪɴ ʜᴏᴡ ᴀ ʟᴜʙʀɪᴄᴀɴᴛ ᴀғғᴇᴄᴛs ᴛʜᴇ ᴇғғɪᴄɪᴇɴᴄʏ ᴀɴᴅ ᴛʜᴇ ғʀɪᴄᴛɪᴏɴᴀʟ ғᴏʀᴄᴇs ᴏғ ᴀ ᴍᴀᴄʜɪɴᴇ!༻
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lubricant means oil for grease
it helps to make less friction on the surface because of the objects slips
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Friction is a force that opposes the motion of two surfaces sliding past each other. Lubrication a machine increases the output force because it decreases friction. Explain why in a real machine the output work is always less than the input work. ... The mechanical advantage of a machine is less than one.
Please mark it as the BRAINIEST answer
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