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## Homework Statement

Downward acceleration of life is 5m/s

^{-2}

## Homework Equations

f=ma

g=10m/s

## The Attempt at a Solution

Effective force at play on 10 kg block: mg- ma

= 100N-50N

= 50 Newtons

Effective force at play on 5 kg block: mg-ma

= (50-25)N

= 25 Newtons

The 10 kg block outmatched its nemesis (5kg block) by +25 Newtons. It's the heavier one.

25N=10kg*a

2.5m/s

^{2}

But this isn't the correct answer. The correct is 5 m/s

^{2}.

I'm at sea. Please help

Thanks for reading.