Hooke's Law
Fs = -kx
Force
Spring
N
Distance
from
Equilibrium
Force
m
Constant
N/m
Friction
f = N
Friction
Force
N
Coefficient
of
Friction
no units
Normal
Force
F
Less
Tension
More
Tension
Position (m)
Velocity (m/s)
Acceleration (m/s2)
Graphs (Force goes in the same direction as acceleration)
Time (s)
Time (s)
all forces = (mass)(acceleration)
F = ma
(all forces) = (kg)(m/s2)
Forces
Co
What do you do to the first vector to make it look like the second?
1.
2.
1.
2.
1.
2.
1.
2.
y
The arrows are velocity arrows.
II
I
x
III
x
0
0
I
II
Determine the sign (+, 0, or -)
of the position. [Ri