Respuesta :
Explanation:
Here,
Given,
Mass(m)=40 kg
Gram=9.8m/s
Now,
Weight=m x g
or, weight= 40x9.8
=392.0
Hope you have understood
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Answer:
The right answer of 8 a is 392 Newton
The right answer of 8b is 10 kg
Look at the attached picture
Hope it will help you
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