simran491349 simran491349
  • 22-02-2021
  • Mathematics
contestada

a student carres a bag weighing 5kg from the ground floor to his clas on the first floor that is 2m high. the work done by the boy is

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kittycatfgster
kittycatfgster kittycatfgster
  • 22-02-2021
The answer is: C 100 J
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faisal4craft7 faisal4craft7
  • 22-02-2021
W = F D

F = m g = (5) (9.8) = 49 N

w = F D

w = 49 ×2 = 98 J

if there is a multiple choice

the correct answer is 100 J by rounding
Answer Link

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