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woleraymond

  • 2 years ago

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...

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  1. Brent0423
    • 2 years ago
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    Using newtons seconds law F=m*a you should be able to solve this

  2. Brent0423
    • 2 years ago
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    Note: Weight=Force

  3. Brent0423
    • 2 years ago
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    W=M*G is the same as F=M*A

  4. woleraymond
    • 2 years ago
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    U mean Mass is 50/3? @Brent0423

  5. woleraymond
    • 2 years ago
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    @experimentX ANY IDEAS?

  6. experimentX
    • 2 years ago
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    f = m(a + g)

  7. woleraymond
    • 2 years ago
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    PLS ANY EXPLAINATION WHY IS DAT BECAUSE @experimentX THE ANS U SUGGEST IS NOT IN OPTIONS

  8. woleraymond
    • 2 years ago
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    THE OPTIONS ARE 50, 28.3, 38.3 AND 39.8

  9. experimentX
    • 2 years ago
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    50 = m(3 + 9.8) find the mass m true weight is m x 9.8

  10. experimentX
    • 2 years ago
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    or 50/12.8 x 9.8 = 38.2813

  11. woleraymond
    • 2 years ago
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    SO ANS IS 38.3

  12. experimentX
    • 2 years ago
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    yup

  13. woleraymond
    • 2 years ago
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    THANKS @experimentX PLS EXPLAIN WHY WE HAVE TO ADD (A + G)

  14. experimentX
    • 2 years ago
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    |dw:1341336173032:dw| this will increase relative acceleration which will force

  15. experimentX
    • 2 years ago
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    *which will increase force.

  16. woleraymond
    • 2 years ago
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    HMN...U ARE A GENIUS

  17. experimentX
    • 2 years ago
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    No ... not really, just old fool.

  18. woleraymond
    • 2 years ago
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    LOL

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