What will be the acceleration produced when a force of 21 N is applied on an object of mass 3 kg?
A
0.007 ms<sup>-2</sup>
B
0.7 ms<sup>-2</sup>
C
7 ms<sup>-2</sup>
D
70 ms<sup>-2</sup>
Correct Answer: 7 ms<sup>-2</sup>