Question

A block of mass 1kg and density 0.8 g/cm is held stationary with the help of a
string. The tank is accelerating vertically down wards with 1 m/s2.(g
= 10 m/s2)
then find up thrust.
1) 13.75 N
2) 11.25 N
3) 27.5 N
4) 30 N

please solve with solution ​

Answer 1

Answer:

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Answer 2

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2) 11.25 N