Question

1. 7 n ← 2 n net force:

Explanation:

Step1: Identify forces and direction

The two forces are 7 N to the left and 2 N to the right. Let the left - direction be negative and the right - direction be positive.

Step2: Calculate net force

Net force $F_{net}=- 7N + 2N$.
$F_{net}=-5N$. The negative sign indicates the direction is to the left.

Answer:

5 N to the left