Question

When Rahul and Sameer stand together stand together on the weighting scale the weight is 150 kg Rahuls weight is 89 kg How does Sameers weight?

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Answer 1

Step-by-step explanation:

Mass of the man  m=40kg

Acceleration of lift in upward direction a=2m/s2

Let the weight shown by machine be N.

Equation of motion for the body :   ma=N−mg

We get  N=m(a+g)    

∴  N=(40)(2+10)=480  N

Thus weight of the man recorded by machine W′=gN

∴  W′=10480=48 kg

Answer 2

Answer:

the answer is 61

Step-by-step explanation:

bcus 150 - 89 kg= 61 kg

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