Statics and Basic Mechanics

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Statics and Basic Mechanics. What you forgot from basic physics. Forces: In The General. Vector Quantities. Magnitude and Direction. Statics. Balanced Forces = No Acceleration. External Forces: Normal. External Forces: Moments. Forces: Compression. Aspect Ratio Matters. Forces: Tension. - PowerPoint PPT Presentation

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CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Statics and Basic Mechanics

What you forgot from basic physics

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Forces: In The General

Vector Quantities

Magnitude and Direction

Balanced Forces = No Acceleration

Statics

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

External Forces: Normal

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

External Forces: Moments

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Forces: CompressionAspect Ratio Matters

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Forces: TensionAspect Ratio Doesn’t Matter

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Forces: Bending

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Tension

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Smooth Surfaces

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Rough Surfaces

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Roller Supports

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Sliding Joints

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Pin Connection

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Carrying Forces (loads)Fixed Support

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

The Basis of Statics

F=Ma=0

F=Ma=0 M=Ma=0

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

An Example: A Pulley

CMPE 118 MECHATRONICSCMPE 118 MECHATRONICS

Examining an Object/Building/Robot:

1) How is the weight of the thing supported?

2) How does it change if it is under motion?

3) Other interesting aspects of the device?

Draw a free body diagram of part 1

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