Question

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While doing the sum write connected bodies formula also.Answer already given in attachment.But I want solution.​

Answer 1

Answer:

80N

Explanation:

Total force 140N

Total mass 28Kg

Acceleration = 140/28 = 5m/s^2

Force on 16Kg block = Total force - Contact force due to 8Kg = 140 - (40+20) = 80N {Contact force due to 8Kg = 60N}

hope this will help you