Spring Force

Question 1

What is the equation for springs?

Answer 1

F = -k * x
-k = spring constnat
x = length of stretch

Question 2

What does an elongation to the left tell you? What about one to the right?

Answer 2

Force of spring is to the right
Force of spring is to the left

Question 3

How do I solve for a Fn?

Answer 3

ΣF ＝ Fn - mg = ma

Question 4

What happens if Fn > mg?
Fn < mg?

Answer 4

Acceleration upwards
Acceleration downwards