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
Contact
Friction
Tension Force
Normal Force
Hand
Time (s)
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. [Right or left
of origin]
Location I: +
Location I: Locati