ᴀ 50 ᴋɢ ᴍᴀɴ ᴡɪᴛʜ 25 ᴋɢ ʟᴏᴀᴅ ᴏɴ ʜɪs ʜᴇᴀᴅ ᴄʟɪᴍʙs ᴜᴘ 50 sᴛᴇᴘs eacʜ ᴏғ ʜᴇɪɢʜᴛ 25 ᴄᴍ.
ᴄᴀʟᴄᴜʟᴀᴛᴇ ᴛʜᴇ ᴡᴏʀᴋᴅᴏɴᴇ ʙʏ ᴍᴀɴ ɪɴ ᴄʟɪᴍʙɪɴɢ ᴛʜᴇsᴇ A steps.???
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W=FS
W=mgS
total displacement= (50×25)cm=1250cm=12.5m
therefore total work done
W=(25×10×12.5)joule. (g=10m/s²)
W=3125joule
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ANSWER :
Mass of block (m) = 25kg
Height (h) = 25×25 = 625cm
Work done W = mgh
= 25×10×625
W = 43620 J
Mark me as brainlist and this tym please don't report it.... .......
it is the correct answer
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