A block of concrete weighs 1200 N. Its base is a square with sides 4m long. What pressure does the
concrete block exert on the ground?
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Hᴇʀᴇ's Yᴏᴜʀ Aɴsᴡᴇʀ:-
Fᴏʀᴄᴇ = 1200 N
Sɪᴅᴇ ᴏғ Sǫᴜᴀʀᴇ = 4 ᴍ
Aʀᴇᴀ ᴏғ Sᴜʀғᴀᴄᴇ Tᴏᴜᴄʜɪɴɢ Tʜᴇ Gʀᴏᴜɴᴅ = ( 4 × 4 ) ᴍ^2
= 16 ᴍ^2
Pʀᴇssᴜʀᴇ Aᴘᴘʟɪᴇᴅ ʙʏ Tʜᴇ Bʟᴏᴄᴋ ᴏɴ Tʜᴇ Gʀᴏᴜɴᴅ = Fᴏʀᴄᴇ/Aʀᴇᴀ
= ( 1200/16 ) N/ᴍ^2
= 75 N/ᴍ^2 ᴏʀ 75 ᴘᴀ
Hᴏᴘᴇ ɪᴛ Hᴇʟᴘs ᴜʜ......
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