O level physics question help??
A man of mass 60kg in a lift ascending with an acceleration of 2ms^-2
If the mass of the lift is 100kg, calculate the tension of the spring
A. 720N
B. 1280N
C. 1600N
D. 1920N
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Answers & Comments
What spring? Oh well.
160 x (g + 2) = 1888N. None of those.
Ah, you're using 10 as g, aren't you!
D, 1920N.