Question

what is mean by law of conservation of momentum​

Answer 1

Answer:

One of the most powerful laws in physics is the law of momentum conservation. ... For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

Answer 2

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ᴏɴᴇ ᴏғ ᴛʜᴇ ᴍᴏsᴛ ᴘᴏᴡᴇʀғᴜʟ ʟᴀᴡs ɪɴ ᴘʜʏsɪᴄs ɪs ᴛʜᴇ ʟᴀᴡ ᴏғ ᴍᴏᴍᴇɴᴛᴜᴍ ᴄᴏɴsᴇʀᴠᴀᴛɪᴏɴ. ...

ғᴏʀ ᴀ ᴄᴏʟʟɪsɪᴏɴ ᴏᴄᴄᴜʀʀɪɴɢ ʙᴇᴛᴡᴇᴇɴ ᴏʙᴊᴇᴄᴛ 1 ᴀɴᴅ ᴏʙᴊᴇᴄᴛ 2 ɪɴ ᴀɴ ɪsᴏʟᴀᴛᴇᴅ sʏsᴛᴇᴍ, ᴛʜᴇ ᴛᴏᴛᴀʟ ᴍᴏᴍᴇɴᴛᴜᴍ ᴏғ ᴛʜᴇ ᴛᴡᴏ ᴏʙᴊᴇᴄᴛs ʙᴇғᴏʀᴇ ᴛʜᴇ ᴄᴏʟʟɪsɪᴏɴ ɪs ᴇϙᴜᴀʟ ᴛᴏ ᴛʜᴇ ᴛᴏᴛᴀʟ ᴍᴏᴍᴇɴᴛᴜᴍ ᴏғ ᴛʜᴇ ᴛᴡᴏ ᴏʙᴊᴇᴄᴛs ᴀғᴛᴇʀ ᴛʜᴇ ᴄᴏʟʟɪsɪᴏɴ.