Question

2. Stress? Stress concepts of stress and strain. (like what is unit?)

Answer 1

$\mathfrak{The\:Answer\:is}$

In the language of physics, two terms describe the forces on objects undergoing deformation: stress and strain. ... Stress is generally defined as force per unit area. When forces pull on an object and cause its elongation, like the stretching of an elastic band, we call such stress a tensile stress.

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Answer 2

$\huge{\underline{\underline{\color{orange}{\tt{Answer ♥︎}}}}}$

$\large\underline{\underline{\bf{\blue{❥ \: Stress}}}}$

Sᴛʀᴇss ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ғᴏʀᴄᴇ ᴇxᴘᴇʀɪᴇɴᴄᴇᴅ ʙʏ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ᴡʜɪᴄʜ ᴄᴀᴜsᴇs ᴀ ᴄʜᴀɴɢᴇ ɪɴ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ᴡʜɪʟᴇ ᴀ sᴛʀᴀɪɴ ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ᴄʜᴀɴɢᴇ ɪɴ ᴛʜᴇ sʜᴀᴘᴇ ᴏғ ᴀɴ ᴏʙᴊᴇᴄᴛ ᴡʜᴇɴ sᴛʀᴇss ɪs ᴀᴘᴘʟɪᴇᴅ. Sᴛʀᴇss ɪs ᴍᴇᴀsᴜʀᴀʙʟᴇ ᴀɴᴅ ʜᴀs ᴀ ᴜɴɪᴛ ᴡʜɪʟᴇ ᴀ sᴛʀᴀɪɴ ɪs ᴀ ᴅɪᴍᴇɴsɪᴏɴʟᴇss ǫᴜᴀɴᴛɪᴛʏ ᴀɴᴅ ʜᴀs ɴᴏ ᴜɴɪᴛ.

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