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A body hangs from a spring balance supported from the roof of an elevator. if the elevator has an upward acceleration of 3m/s^2 and the balance reads 50N.What is the true weight of the body...

Physics
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Using newtons seconds law F=m*a you should be able to solve this
Note: Weight=Force
W=M*G is the same as F=M*A

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Other answers:

U mean Mass is 50/3? @Brent0423
@experimentX ANY IDEAS?
f = m(a + g)
PLS ANY EXPLAINATION WHY IS DAT BECAUSE @experimentX THE ANS U SUGGEST IS NOT IN OPTIONS
THE OPTIONS ARE 50, 28.3, 38.3 AND 39.8
50 = m(3 + 9.8) find the mass m true weight is m x 9.8
or 50/12.8 x 9.8 = 38.2813
SO ANS IS 38.3
yup
THANKS @experimentX PLS EXPLAIN WHY WE HAVE TO ADD (A + G)
|dw:1341336173032:dw| this will increase relative acceleration which will force
*which will increase force.
HMN...U ARE A GENIUS
No ... not really, just old fool.
LOL

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