Question

A man carries a load of 45kg up to 25 stairs, each measure 90cm. Calculate the work done by him ?
Army I will not come online for 1 month or I will leave brainly
I will miss you all
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Answer 1

hi

hey why are you leaving

Total displacement of the man = 90 cm × 25 = 2250 cm = 22.5 m

Gravitational force exerted on the load = 45 kg × 9.8 ms⁻² = 441 N

Work done = FS = 441 N × 22.5 m = 9922.5 J

Hope it helped

Answer 2

Answer:

sis i will miss u too but just dont leave for our friendship pls

and pls change dp i cant see you with sad dp

stay happy and healthy

BORAHAE