# Statics and Dynamics Made Easy

## App Purchase

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## Description

• The most comprehensive STATICS APP for calculators.
• Users have boosted their knowledge & scores.
• Ideal for quick review in all Statics and engineering classes.
• Easy to use. Just plug in the equation or numbers and the correct answer shows.

### Statics

• What is Statics?
• Balance a Seesaw: Forces and Particle Equilibrium
• Components of a Force in XY Plane:
• Components of a Force Given Line of Action:
• Components of a Force in 3D Space: Fx=Fcos(Ax) Fy=Fcos(Ay) Fz=Fcos(Az)
• Components of a Force in 3D Space: F = v(Fx^(2)+Fy^(2)+Fz^(2))
• Vector Notation of a Force: Cosines:
• Vector Notation of a Force: 2 Points:
• Vector Notation of a Force: d Calculator
• Horizontal and Vertical Components of Planar Forces:
• Lines of Action:

### Resultant of Concurrent and Parallel Force Systems

• Resultant of Coplanar Force System:
• Resultant of Coplanar Parallel Force System:

### Resultant of Non-Concurrent Force System

• Principle of Moments

### Equilibrium of Force System

• Definition
• Formulas
• Equilibrium of Concurrent Force System
• Equilibrium of Parallel Force System
• Equilibrium of Non-Concurrent Force System

### Structural Applications and Distributed Loads

• Plane Trusses:
• Space Trusses:
• Systems Containing multiforce Members:

### Vectors & Vector Valued Functions

• 2D: Vector Length
• 3D: Unit Vector

### Centroids of Composite Figures

• Homogeneous Flat Plate
• Centroid of Lines
• Centroid of Ares

### Friction

• Elements of Friction
• f=mu*N
• tan(f)=f/N=mu

### Useful Trigonometric Functions

• Solve any 90 degree Triangle
• Solve any triangle
• SSS-Case: Law of Cosine
• SAS-Case: Law of Cosine
• SSA-Case: Law of Sine
• SAA-Case: Law of Sine
• Evaluate sin(x)

### Centroids of Common Geometric Shapes

• Rectangle
• Triangle
• Circle
• Quarter Circle
• Semi-Circle
• Ellipse
• Half Ellipse
• Quarter Ellipse
• Parabolic Segment
• Spandrel
• Circular Arc
• Sector of a Circle

### Moment of Inertia and Radius of Gyration

• Moment of Inertia about the x-axis
• Moment of Inertia about the y-axis
• Polar Moment of Inertia
• Transfer Formula for Moment of Inertia
• Transfer Formula for Polar Moment of Inertia
• Transfer Formula for Radii of Gyration

### Moment of Inertia Common Shapes

• Rectangle
• Triangle
• Circle
• Semicircle
• Quartercircle
• Ellipse

### Center of Mass

• Center of Mass (2D)
• 1. Moment of Mass about x and y-axis
• Mass of Lamina - f(x)
• Mass of Lamina - f(y)
• 1. & 2. & 3. Moment of Inertia about x-axis
• 1. & 2. & 3. Moment of Inertia about y-axis
• 3 Moments of Inertia of a Solid
• Mass of a Solid
• Moments of Mass of Solid (3D)
• Center of Mass of Solid (3D)
• Hydrostatic Force
• Work= Integral of Force
• Fluid Force

### Dynamics(Kinematics) and Projectile Motion

• Uniform Motion: s=v*t
• All in one 2-Vectors Explorer
• Read: Newton's 3 Laws of Motion
• Newtons 2. Law: F=m*a
• Find Net Force/Resultant
• Torque: T=F*r*sin(A)
• Read: The Big 5 Equations
• Average Speed=Distance/Time : v=d/t
• Linear Motion: vf^2=vo^2+2*a*d
• Linear Motion: vf=vo+a*t
• Linear Motion: d=(vo^2+vf^2)/2 * t
• Linear Motion: x=vo*t + 1/2at^2
• Free Fall: v=v(2*g*h)
• Free Fall: v=g*t
• Free Fall: h=(1/2)*g*t^2
• Projectile at Angle
• Projectile Motion: Highest Point