Question

how can you lower a 100kg body from the roof of a house using a cord with a breaking strength of 80 kg weight without breaking the rope?(1kg weight = g N)

Answer 1

the answer is 1.96m/s^2 downwards

Answer 2

Answer:

1.96m/s^2

Explanation:

mass=100kg

tension = mg=980N

breaking strength =80*g=80*9.8=784

from free body diagram ,

mg-T=ma

980-784=100a

196=100a

1.96=a

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