What are newton's 3 laws of motion??
what is inertia??
what is momentum???
Answers
ǫᴜᴇsᴛɪᴏɴ 1 : What ɪs newton's 3 laws of motion?
Aɴsᴡᴇʀ : ɴᴇᴡᴛᴏɴs ᴛʜɪʀᴅ ʟᴀᴡ ᴏғ ᴍᴏᴛɪᴏɴ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴇᴠᴇʀʏ ᴀᴄᴛɪᴏɴ ʜᴀs ᴀɴ ᴇǫᴜᴀʟ ᴀɴᴅ ᴏᴘᴘᴏsɪᴛᴇ ʀᴇᴀᴄᴛɪᴏɴ.
ǫᴜᴇsᴛɪᴏɴ 2 : ᴡʜᴀᴛ ɪs ɪɴᴇʀᴛɪᴀ ?
ᴀɴsᴡᴇʀ : ᴛʜᴇ ᴘʀᴏᴘᴇʀᴛʏ ᴏғ ᴀɴ ᴏʙᴊᴇᴄᴛ ᴛᴏ ʀᴇsɪsᴛ ᴀɴʏ ᴄʜᴀɴɢᴇ ɪɴ ɪᴛ's sᴛᴀᴛᴇ ᴏғ ʀᴇsᴛ ᴏʀ sᴛᴀᴛᴇ ᴏғ ᴜɴɪғᴏʀᴍ ᴍᴏᴛɪᴏɴ.
ǫᴜᴇsᴛɪᴏɴ 3 : ᴡʜᴀᴛ ɪs ᴍᴏᴍᴇɴᴛᴜᴍ ?
ᴀɴsᴡᴇʀ : ᴍᴏᴍᴇɴᴛᴜᴍ ɪs ᴛʜᴇ ᴘʀᴏᴅᴜᴄᴛ ᴏғ ᴍᴀss ᴀɴᴅ ᴠᴇʟᴏᴄɪᴛʏ ᴏғ ᴀɴ ᴏʙᴊᴇᴄᴛ. ɪᴛ ɪs ᴀ ᴠᴇᴄᴛᴏʀ ǫᴜᴇɴᴛɪᴛʏ. ɪᴛ's sɪ ᴜɴɪᴛ ɪs ᴋɪʟᴏɢʀᴀᴍ ᴍᴇᴛʀᴇ ᴘᴇʀ sᴇᴄᴏɴᴅ (kg.m/s). ɪᴛ ɪs ᴅᴇɴᴏᴛᴇᴅ ʙʏ ᴀ ʟᴇᴛᴛᴇʀ "P"
P = mv
1. Iɴ ᴛʜᴇ ғɪʀsᴛ ʟᴀᴡ,
Iɴ ᴛʜᴇ ғɪʀsᴛ ʟᴀᴡ, ᴀɴ ᴏʙᴊᴇᴄᴛ ᴡɪʟʟ ɴᴏᴛ ᴄʜᴀɴɢᴇ ɪᴛs ᴍᴏᴛɪᴏɴ ᴜɴʟᴇss ᴀ ғᴏʀᴄᴇ ᴀᴄᴛs ᴏɴ ɪᴛ.
Iɴ ᴛʜᴇ ғɪʀsᴛ ʟᴀᴡ, ᴀɴ ᴏʙᴊᴇᴄᴛ ᴡɪʟʟ ɴᴏᴛ ᴄʜᴀɴɢᴇ ɪᴛs ᴍᴏᴛɪᴏɴ ᴜɴʟᴇss ᴀ ғᴏʀᴄᴇ ᴀᴄᴛs ᴏɴ ɪᴛ. Iɴ ᴛʜᴇ sᴇᴄᴏɴᴅ ʟᴀᴡ,
Iɴ ᴛʜᴇ ғɪʀsᴛ ʟᴀᴡ, ᴀɴ ᴏʙᴊᴇᴄᴛ ᴡɪʟʟ ɴᴏᴛ ᴄʜᴀɴɢᴇ ɪᴛs ᴍᴏᴛɪᴏɴ ᴜɴʟᴇss ᴀ ғᴏʀᴄᴇ ᴀᴄᴛs ᴏɴ ɪᴛ. Iɴ ᴛʜᴇ sᴇᴄᴏɴᴅ ʟᴀᴡ, ᴛʜᴇ ғᴏʀᴄᴇ ᴏɴ ᴀɴ ᴏʙᴊᴇᴄᴛ ɪs ᴇϙᴜᴀʟ ᴛᴏ ɪᴛs ᴍᴀss ᴛɪᴍᴇs ɪᴛs ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ.
Iɴ ᴛʜᴇ ғɪʀsᴛ ʟᴀᴡ, ᴀɴ ᴏʙᴊᴇᴄᴛ ᴡɪʟʟ ɴᴏᴛ ᴄʜᴀɴɢᴇ ɪᴛs ᴍᴏᴛɪᴏɴ ᴜɴʟᴇss ᴀ ғᴏʀᴄᴇ ᴀᴄᴛs ᴏɴ ɪᴛ. Iɴ ᴛʜᴇ sᴇᴄᴏɴᴅ ʟᴀᴡ, ᴛʜᴇ ғᴏʀᴄᴇ ᴏɴ ᴀɴ ᴏʙᴊᴇᴄᴛ ɪs ᴇϙᴜᴀʟ ᴛᴏ ɪᴛs ᴍᴀss ᴛɪᴍᴇs ɪᴛs ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ. Iɴ ᴛʜᴇ ᴛʜɪʀᴅ ʟᴀᴡ,
ᴡʜᴇɴ ᴛᴡᴏ ᴏʙᴊᴇᴄᴛs ɪɴᴛᴇʀᴀᴄᴛ, ᴛʜᴇʏ ᴀᴘᴘʟʏ ғᴏʀᴄᴇs ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴏғ ᴇϙᴜᴀʟ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴀɴᴅ ᴏᴘᴘᴏsɪᴛᴇ ᴅɪʀᴇᴄᴛɪᴏɴ.
ᴡʜᴇɴ ᴛᴡᴏ ᴏʙᴊᴇᴄᴛs ɪɴᴛᴇʀᴀᴄᴛ, ᴛʜᴇʏ ᴀᴘᴘʟʏ ғᴏʀᴄᴇs ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴏғ ᴇϙᴜᴀʟ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴀɴᴅ ᴏᴘᴘᴏsɪᴛᴇ ᴅɪʀᴇᴄᴛɪᴏɴ.2. Iɴᴇʀᴛɪᴀ ɪs ᴛʜᴇ ʀᴇsɪsᴛᴀɴᴄᴇ ᴏғ ᴀɴʏ ᴘʜʏsɪᴄᴀʟ ᴏʙᴊᴇᴄᴛ ᴛᴏ ᴀɴʏ ᴄʜᴀɴɢᴇ ɪɴ ɪᴛs ᴠᴇʟᴏᴄɪᴛʏ. Tʜɪs ɪɴᴄʟᴜᴅᴇs ᴄʜᴀɴɢᴇs ᴛᴏ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ's sᴘᴇᴇᴅ, ᴏʀ ᴅɪʀᴇᴄᴛɪᴏɴ ᴏғ ᴍᴏᴛɪᴏɴ.
ᴡʜᴇɴ ᴛᴡᴏ ᴏʙᴊᴇᴄᴛs ɪɴᴛᴇʀᴀᴄᴛ, ᴛʜᴇʏ ᴀᴘᴘʟʏ ғᴏʀᴄᴇs ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴏғ ᴇϙᴜᴀʟ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴀɴᴅ ᴏᴘᴘᴏsɪᴛᴇ ᴅɪʀᴇᴄᴛɪᴏɴ.2. Iɴᴇʀᴛɪᴀ ɪs ᴛʜᴇ ʀᴇsɪsᴛᴀɴᴄᴇ ᴏғ ᴀɴʏ ᴘʜʏsɪᴄᴀʟ ᴏʙᴊᴇᴄᴛ ᴛᴏ ᴀɴʏ ᴄʜᴀɴɢᴇ ɪɴ ɪᴛs ᴠᴇʟᴏᴄɪᴛʏ. Tʜɪs ɪɴᴄʟᴜᴅᴇs ᴄʜᴀɴɢᴇs ᴛᴏ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ's sᴘᴇᴇᴅ, ᴏʀ ᴅɪʀᴇᴄᴛɪᴏɴ ᴏғ ᴍᴏᴛɪᴏɴ.3.Mᴏᴍᴇɴᴛᴜᴍ, ᴘʀᴏᴅᴜᴄᴛ ᴏғ ᴛʜᴇ ᴍᴀss ᴏғ ᴀ ᴘᴀʀᴛɪᴄʟᴇ ᴀɴᴅ ɪᴛs ᴠᴇʟᴏᴄɪᴛʏ. Mᴏᴍᴇɴᴛᴜᴍ ɪs ᴀ ᴠᴇᴄᴛᴏʀ ϙᴜᴀɴᴛɪᴛʏ; ɪ.ᴇ., ɪᴛ ʜᴀs ʙᴏᴛʜ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴀɴᴅ ᴅɪʀᴇᴄᴛɪᴏɴ. Isᴀᴀᴄ Nᴇᴡᴛᴏɴ's sᴇᴄᴏɴᴅ ʟᴀᴡ ᴏғ ᴍᴏᴛɪᴏɴ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴛʜᴇ ᴛɪᴍᴇ ʀᴀᴛᴇ ᴏғ ᴄʜᴀɴɢᴇ ᴏғ ᴍᴏᴍᴇɴᴛᴜᴍ ɪs ᴇϙᴜᴀʟ ᴛᴏ ᴛʜᴇ ғᴏʀᴄᴇ ᴀᴄᴛɪɴɢ ᴏɴ ᴛʜᴇ ᴘᴀʀᴛɪᴄʟᴇ. Sᴇᴇ Nᴇᴡᴛᴏɴ's ʟᴀᴡs ᴏғ ᴍᴏᴛɪᴏɴ. Mᴏᴍᴇɴᴛᴜᴍ.