Question

Define pressure. Write the unit of it​

Answer 1

Explanation:

Pressure—the effect of a force applied to a surface—is a derived unit, obtained from combining base units. The unit of pressure in the SI system is the pascal (Pa), defined as a force of one Newton per square meter. The conversion between atm, Pa, and torr is as follows: 1 atm = 101325 Pa = 760 torr.

Answer 2

Pʀᴇssᴜʀᴇ—ᴛʜᴇ ᴇғғᴇᴄᴛ ᴏғ ᴀ ғᴏʀᴄᴇ ᴀᴘᴘʟɪᴇᴅ ᴛᴏ ᴀ sᴜʀғᴀᴄᴇ—ɪs ᴀ ᴅᴇʀɪᴠᴇᴅ ᴜɴɪᴛ, ᴏʙᴛᴀɪɴᴇᴅ ғʀᴏᴍ ᴄᴏᴍʙɪɴɪɴɢ ʙᴀsᴇ ᴜɴɪᴛs. Tʜᴇ ᴜɴɪᴛ ᴏғ ᴘʀᴇssᴜʀᴇ ɪɴ ᴛʜᴇ SI sʏsᴛᴇᴍ ɪs ᴛʜᴇ ᴘᴀsᴄᴀʟ (Pᴀ), ᴅᴇғɪɴᴇᴅ ᴀs ᴀ ғᴏʀᴄᴇ ᴏғ ᴏɴᴇ Nᴇᴡᴛᴏɴ ᴘᴇʀ sϙᴜᴀʀᴇ ᴍᴇᴛᴇʀ. Tʜᴇ ᴄᴏɴᴠᴇʀsɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴀᴛᴍ, Pᴀ, ᴀɴᴅ ᴛᴏʀʀ ɪs ᴀs ғᴏʟʟᴏᴡs: 1 ᴀᴛᴍ = 101325 Pᴀ = 760 ᴛᴏʀʀ.

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