what is the net force acting on this box? 10n 0n 15n

what is the net force acting on this box? 10n 0n 15n
Answer
Explanation:
Step1: Identify force directions
Forces are opposite (right and left). Let right - direction force be positive, so ( F_1 = + 15\space N ), left - direction force ( F_2=- 15\space N ).
Step2: Calculate net force
Net force ( F_{net}=F_1 + F_2 ). Substitute values: ( F_{net}=15+( - 15)=0\space N ).
Answer:
0N (corresponding to the option with "0N")