Answer :

78. g on earth is 9.8 m/s^2 so F=ma and plugging in gives you F=(8kg)(9.8m/s^2) which is closest to 78 N.

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Rewritten by : Barada

Answer: 78 N

Explanation: Weight is the downward force acting on an object due to gravity.

[tex]w=m\times g[/tex]

w= weight of an object

m= mass of object

g= gravity = [tex]9.8 ms^{-2}[/tex]

[tex]w=8kg\times 9.8ms^{-2}=78.4kgms^{-2}=78Newton[/tex]

[tex](1kgms^{-2}=1N)[/tex]