Answer: C) 200 N
Explanation:
The force [tex]F[/tex] is defined as:
[tex]F=m.a[/tex]
Where:
[tex]m=20 kg[/tex] is the mass of the object
[tex]a=10 m/s^{2}[/tex] is the acceleration
Then:
[tex]F=(20 kg)(10 m/s^{2})[/tex]
Finally:
[tex]F=200 N[/tex]
Hence, the correct option is C.