Question

A position vector with the origin is a. which vector.​

Answer 1

A vector that starts from the origin (O) is called a position vector. In the following diagram, point A has the position vector a and point B has the position vector

Answer 2

ᴇɪɴꜱᴛᴇɪɴ’ꜱ ᴛʜᴇᴏʀʏ ᴏꜰ ʀᴇʟᴀᴛɪᴠɪᴛʏ ᴛᴇʟʟꜱ ᴜꜱ ᴛʜᴀᴛ ᴛʜᴇʀᴇ ɪꜱ ɴᴏᴛʜɪɴɢ ᴀꜱ ᴀʙꜱᴏʟᴜᴛᴇ…ᴇᴠᴇʀʏᴛʜɪɴɢ ɪꜱ ʜᴀᴘᴘᴇɴɪɴɢ ʀᴇʟᴀᴛɪᴠᴇ ᴛᴏ ꜱᴏᴍᴇ ᴏᴛʜᴇʀ ᴛʜɪɴɢ.

ɪᴛ’ꜱ ɴᴏᴛ ᴄᴏᴍᴘᴜʟꜱᴏʀʏ ᴛᴏ ᴛᴀᴋᴇ ᴛʜᴇ ᴘᴏꜱɪᴛɪᴏɴ ᴠᴇᴄᴛᴏʀ ꜰʀᴏᴍ ᴛʜᴇ ᴏʀɪɢɪɴ, ʏᴏᴜ ᴄᴏᴜʟᴅ ᴛᴀᴋᴇ ᴛʜᴇ ʀᴇʟᴀᴛɪᴠᴇ ᴘᴏꜱɪᴛɪᴏɴ ꜰʀᴏᴍ ᴀɴʏ ᴘᴏɪɴᴛ ᴏɴ ᴀ ᴄᴀʀᴛᴇꜱɪᴀɴ ᴘʟᴀɴᴇ ᴀɴᴅ ʜᴀᴠᴇ ᴛᴏ ᴛᴇʟʟ ᴛʜᴀᴛ ɪ’ᴠᴇ ᴛᴀᴋᴇɴ ᴛʜᴇ ᴘᴏꜱɪᴛɪᴏɴ ᴡɪᴛʜ ʀᴇꜱᴘᴇᴄᴛ ᴛᴏ ꜱᴏ-ᴀɴᴅ-ꜱᴏ ᴠᴇᴄᴛᴏʀ

ʙᴜᴛ ꜰᴏʀ ᴇᴀꜱʏ ᴄᴀʟᴄᴜʟᴀᴛɪᴏɴꜱ ᴀɴᴅ ꜱᴛᴀɴᴅᴀʀᴅ ᴄᴏɴᴠᴇɴᴛɪᴏɴ, ᴡᴇ ᴘʀᴇꜰᴇʀ ᴛᴀᴋɪɴɢ ᴘᴏꜱɪᴛɪᴏɴ ᴠᴇᴄᴛᴏʀꜱ ꜰʀᴏᴍ ᴛʜᴇ ᴏʀɪɢɪɴ.

◆ɪ ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘꜱ :)