Question

Suppose a man is sitting on a chair and exerting 100 N of force downward, while a spring beneath the chair exerts 150 N of force upward. If you assign a negative value to the downward force, what is the net force of this system?(1 point)
Responses

250 N
250 N

50 kg
50 kg

-50 N
-50 N

50 N

Answer 1

To find the net force of the system, we can assign a negative value to the downward force and a positive value to the upward force.

Given:
- Downward force (man): -100 N
- Upward force (spring): +150 N

Now, we can calculate the net force:

Net force = Upward force + Downward force
Net force = 150 N + (-100 N)
Net force = 150 N - 100 N
Net force = 50 N

So, the net force of this system is **50 N**.