Question

a runner exerting a running force of 325 n to the right is met with an air resistance force of 45 n to the left. what is the net force of the runner? (1 point) 370 n 280 n 45 n 325 n

Explanation:

Step1: Define forces

Let the right - direction force \(F_{1}=325\ N\) (positive) and the left - direction force \(F_{2}=- 45\ N\) (negative as it's opposite to the right direction).

Step2: Calculate net force

The net force \(F_{net}=F_{1}+F_{2}\). Substitute the values: \(F_{net}=325+( - 45)\).

$$F_{net}=325 - 45=280\ N$$

Answer:

280 N