Answer
$F_{12} = 1.097 N $
Work Step by Step
Acceleration of the system is
a = $\frac{F}{m_{1}+m_{2}}$
The force between them is
$F_{12} = m_{2} a $
Substituting given values we get
$F_{12} = 1.097 N $
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.