Physics, asked by Anonymous, 26 days ago

What is scalar quantity??

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Answered by Anonymous

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ɪɴ ᴍᴀᴛʜᴇᴍᴀᴛɪᴄs sᴄᴀʟᴀʀs ᴀʀᴇ ᴇʟᴇᴍᴇɴᴛs ᴏғ ᴀɴ ᴀʟɢᴇʙʀᴀɪᴄ sᴛʀᴜᴄᴛᴜʀᴇ ғɪᴇʟᴅ ᴡʜᴇɴ ᴡᴇ ᴀʀᴇ ᴛᴀʟᴋɪɴɢ ᴀʙᴏᴜᴛ ᴀɴᴏᴛʜᴇʀ ᴀʟɢᴇʙʀᴀɪᴄ sᴛʀᴜᴄᴛᴜʀᴇ ᴠᴇᴄᴛᴏʀ sᴘᴀᴄᴇ ᴏᴠᴇʀ ᴛʜᴇ ғɪᴇʟᴅ ɪɴ ᴡʜɪᴄʜ ᴛʜᴇ ғɪᴇʟᴅ ɪs ᴜsᴇᴅ ᴛᴏ ᴅᴇғɪɴᴇ ᴛʜɪs sᴛʀɪᴄᴛᴜʀᴇ, ᴡʜɪʟᴇ ɪɴ ᴘʜʏsɪᴄs sᴄᴀʟᴀʀs (ᴏʀ sᴄᴀʟᴀʀ ǫᴜᴀɴᴛɪᴛɪᴇs) ᴀʀᴇ ǫᴜᴀɴᴛɪᴛɪᴇs ᴛʜᴀᴛ ᴅᴏ ɴᴏᴛ ᴄʜᴀɴɢᴇ ʙʏ ᴀ ᴄʜᴀɴɢᴇs ᴏғ ᴀ ᴠᴇᴄᴛᴏʀ sᴘᴀᴄᴇ ʙᴀsɪs (ɪ.ᴇ., ᴀ ᴄᴏᴏʀᴅɪɴᴀᴛᴇ sʏsᴛᴇᴍ ᴛʀᴀɴsғᴏʀᴍᴀᴛɪᴏɴ) ᴀɴᴅ ᴀʀᴇ ᴏғᴛᴇɴ ᴀᴄᴄᴏᴍᴘᴀɴɪᴇᴅ ʙʏ ᴜɴɪᴛs ᴏғ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛ, ᴀs ɪɴ " ᴄᴍ". ᴀ ᴄʜᴀɴɢᴇ ᴏғ ᴀ ᴠᴇᴄᴛᴏʀ sᴘᴀᴄᴇ ʙᴀsɪs ᴄʜᴀɴɢᴇs ᴛʜᴇ ᴅᴇsᴄʀɪᴘᴛɪᴏɴ ᴏғ ᴀ ᴠᴇᴄᴛᴏʀ ɪɴ ᴛᴇʀᴍs ᴏғ ᴛʜᴇ ʙᴀsɪs ᴜsᴇᴅ ʙᴜᴛ ᴅᴏᴇs ɴᴏᴛ ᴄʜᴀɴɢᴇ ᴛʜᴇ ᴠᴇᴄᴛᴏʀ ɪᴛsᴇʟғ, ᴡʜɪʟᴇ ᴀ sᴄᴀʟᴀʀ ʜᴀs ɴᴏᴛʜɪɴɢ ᴛᴏ ᴅᴏ ᴡɪᴛʜ ᴛʜɪs ᴄʜᴀɴɢᴇ. ᴛʜɪs ᴘʜʏsɪᴄᴀʟ ᴅᴇғɪɴɪᴛɪᴏɴ ᴏғ sᴄᴀʟᴀʀs, ɪɴ ᴄʟᴀssɪᴄᴀʟ ᴛʜᴇᴏʀɪᴇs, ʟɪᴋᴇ ɴᴇᴡᴛᴏɴɪᴀɴ ᴍᴇᴄʜᴀɴɪᴄs, ᴍᴇᴀɴs ᴛʜᴀᴛ ʀᴏᴛᴀᴛɪᴏɴs ᴏʀ ʀᴇғʟᴇᴄᴛɪᴏɴs ᴘʀᴇsᴇʀᴠᴇ sᴄᴀʟᴀʀs, ᴡʜɪʟᴇ ɪɴ ʀᴇʟᴀᴛɪᴠɪsᴛɪᴄ ᴛʜᴇᴏʀɪᴇs, ʟᴏʀᴇɴᴛᴢ ᴛʀᴀɴsғᴏʀᴍᴀᴛɪᴏɴs ᴏʀ sᴘᴀᴄᴇ-ᴛɪᴍᴇ ᴛʀᴀɴsʟᴀᴛɪᴏɴs ᴘʀᴇsᴇʀᴠᴇ sᴄᴀʟᴀʀs.

ʙʀɪᴀɴʟɪᴇsᴛ ❤

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