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Answer:
50N
The table is managing to keep the dog up, the dog is not moving up or down so the force that the table applies to the dog must be equal to the dogs weight - I draw this conclusion from Newton's 3rd law.
W= mg
W = 5 × 9.8
W = 49N
round to.one significant figure = 50N
The force that the table applies on the dog is required.
The force that the table applies to the dog is [tex]10\ \text{N}[/tex]
m = Mass of dog = 5 kg
g = Acceleration due to gravity is assumed to be [tex]10\ \text{m/s}^2[/tex]
Force is given by
[tex]F=mg[/tex]
[tex]\Rightarrow F=5\times 10[/tex]
[tex]\Rightarrow F=10\ \text{N}[/tex]
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