Essential equations Flashcards
1
Q
Acceleration =
A
(final velocity- initial velocity) / time
2
Q
Force =
A
mass x acceleration (Newton’s second law)
3
Q
Weight =
A
mass x gravity
4
Q
Moment =
A
force x radius
5
Q
Friction force =
A
coefficient of friction x normal force
6
Q
Work =
A
force x distance
7
Q
Power =
A
work / time
8
Q
Stress =
A
force / area
9
Q
Strain =
A
change in length / original length
10
Q
Young’s modulus (E) =
A
stress / strain
11
Q
Maximum shear stress =
A
axial stress / 2