Physical Quantity......................changes if rotational axis changes.
Answers
Explanation:
ʀᴏᴛᴀᴛɪᴏɴ ᴀʀᴏᴜɴᴅ ᴀ ғɪxᴇᴅ ᴀxɪs ɪs ᴀ sᴘᴇᴄɪᴀʟ ᴄᴀsᴇ ᴏғ ʀᴏᴛᴀᴛɪᴏɴᴀʟ ᴍᴏᴛɪᴏɴ. ᴛʜᴇ ғɪxᴇᴅ-ᴀxɪs ʜʏᴘᴏᴛʜᴇsɪs ᴇxᴄʟᴜᴅᴇs ᴛʜᴇ ᴘᴏssɪʙɪʟɪᴛʏ ᴏғ ᴀɴ ᴀxɪs ᴄʜᴀɴɢɪɴɢ ɪᴛs ᴏʀɪᴇɴᴛᴀᴛɪᴏɴ ᴀɴᴅ ᴄᴀɴɴᴏᴛ ᴅᴇsᴄʀɪʙᴇ sᴜᴄʜ ᴘʜᴇɴᴏᴍᴇɴᴀ ᴀs ᴡᴏʙʙʟɪɴɢ ᴏʀ ᴘʀᴇᴄᴇssɪᴏɴ. ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴇᴜʟᴇʀ's ʀᴏᴛᴀᴛɪᴏɴ ᴛʜᴇᴏʀᴇᴍ, sɪᴍᴜʟᴛᴀɴᴇᴏᴜs ʀᴏᴛᴀᴛɪᴏɴ ᴀʟᴏɴɢ ᴀ ɴᴜᴍʙᴇʀ ᴏғ sᴛᴀᴛɪᴏɴᴀʀʏ ᴀxᴇs ᴀᴛ ᴛʜᴇ sᴀᴍᴇ ᴛɪᴍᴇ ɪs ɪᴍᴘᴏssɪʙʟᴇ; ɪғ ᴛᴡᴏ ʀᴏᴛᴀᴛɪᴏɴs ᴀʀᴇ ғᴏʀᴄᴇᴅ ᴀᴛ ᴛʜᴇ sᴀᴍᴇ ᴛɪᴍᴇ, ᴀ ɴᴇᴡ ᴀxɪs ᴏғ ʀᴏᴛᴀᴛɪᴏɴ ᴡɪʟʟ ᴀᴘᴘᴇᴀʀ.
Answer:
ʀᴏᴛᴀᴛɪᴏɴ ᴀʀᴏᴜɴᴅ ᴀ ғɪxᴇᴅ ᴀxɪs ɪs ᴀ sᴘᴇᴄɪᴀʟ ᴄᴀsᴇ ᴏғ ʀᴏᴛᴀᴛɪᴏɴᴀʟ ᴍᴏᴛɪᴏɴ. ᴛʜᴇ ғɪxᴇᴅ-ᴀxɪs ʜʏᴘᴏᴛʜᴇsɪs ᴇxᴄʟᴜᴅᴇs ᴛʜᴇ ᴘᴏssɪʙɪʟɪᴛʏ ᴏғ ᴀɴ ᴀxɪs ᴄʜᴀɴɢɪɴɢ ɪᴛs ᴏʀɪᴇɴᴛᴀᴛɪᴏɴ ᴀɴᴅ ᴄᴀɴɴᴏᴛ ᴅᴇsᴄʀɪʙᴇ sᴜᴄʜ ᴘʜᴇɴᴏᴍᴇɴᴀ ᴀs ᴡᴏʙʙʟɪɴɢ ᴏʀ ᴘʀᴇᴄᴇssɪᴏɴ. ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴇᴜʟᴇʀ's ʀᴏᴛᴀᴛɪᴏɴ ᴛʜᴇᴏʀᴇᴍ, sɪᴍᴜʟᴛᴀɴᴇᴏᴜs ʀᴏᴛᴀᴛɪᴏɴ ᴀʟᴏɴɢ ᴀ ɴᴜᴍʙᴇʀ ᴏғ sᴛᴀᴛɪᴏɴᴀʀʏ ᴀxᴇs ᴀᴛ ᴛʜᴇ sᴀᴍᴇ ᴛɪᴍᴇ ɪs ɪᴍᴘᴏssɪʙʟᴇ; ɪғ ᴛᴡᴏ ʀᴏᴛᴀᴛɪᴏɴs ᴀʀᴇ ғᴏʀᴄᴇᴅ ᴀᴛ ᴛʜᴇ sᴀᴍᴇ ᴛɪᴍᴇ, ᴀ ɴᴇᴡ ᴀxɪs ᴏғ ʀᴏᴛᴀᴛɪᴏɴ ᴡɪʟʟ ᴀᴘᴘᴇᴀʀ
Explanation: