Question

si unit of work done and its two formulae

Answer 1

Tʜᴇ SI ᴜɴɪᴛ ᴏғ ᴡᴏʀᴋ ɪs ᴊᴏᴜʟᴇ (J). Jᴏᴜʟᴇ ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ᴡᴏʀᴋ ᴅᴏɴᴇ ʙʏ ᴀ ғᴏʀᴄᴇ ᴏғ ᴏɴᴇ ɴᴇᴡᴛᴏɴ ᴄᴀᴜsɪɴɢ ᴀ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ ᴏғ ᴏɴᴇ ᴍᴇᴛᴇʀ. Sᴏᴍᴇᴛɪᴍᴇs, ɴᴇᴡᴛᴏɴ-ᴍᴇᴛʀᴇ (N-ᴍ) ɪs ᴀʟsᴏ ᴜsᴇᴅ ғᴏʀ ᴍᴇᴀsᴜʀɪɴɢ ᴡᴏʀᴋ.

Answer 2

The SI unit of work is joule (J). Joule is defined as the work done by a force of one newton causing a displacement of one meter. Sometimes, newton-metre (N-m) is also used for measuring work.

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