Standard

Posted: 03/23/05

IDS 109 - Mechanical Laws and Principles

Course Description

Introduces the student to fundamental laws and principles of mechanics. Topics include: Mechanical Principles of Simple Machines; Force, Torque, Velocity, Acceleration, and Inertia; Rotational Motion; Work, Power, and Energy; Matter; Gases; Fluid Power; and Heat. The course emphasizes understanding terminology and using related problem solving skills in everyday physical applications of mechanical technology. Competencies are reinforced with practical hands on lab exercises.

Competency Areas	Hours
Mechanical Principles of Simple Machines	Class	5
Force, Torque, Velocity, Acceleration, and Inertia	D. Lab	2
Rotational Motion	P. Lab/O.B.I.	3
Work, Power and Energy	Credit	7
Matter
Gases
Fluid Power
Heat

Prerequisite:	Provisional Admission
Corequisite:

Course Guide
Competency	After completing this section, the student will:	Hours
		Class	D.Lab	P.Lab/ O.B.I.

Mechanical Principles of Simple Machines		8	4	5
Energy transfer	Describe and demonstrate how energy is transferred using simple machines
Simple machines	Give examples of the six basic machines and show applications of each
Levers	Demonstrate the three types of levers
	Demonstrate use of the three types of levers
	Define and show a practical application of mechanical advantage
Friction	Demonstrate the effects of friction relating to simple machines
Force, Torque, Velocity, Acceleration, and Inertia		8	4	5
Force	Define and demonstrate a practical application of force
	Demonstrate methods of increasing and decreasing force
	Show the effects of a combination of forces in one dimension
	Show how forces balance in a system
Velocity	Define velocity
	Show relationship between velocity and acceleration
Acceleration	Define acceleration
	Show relationship of force and acceleration
	Show relationship of gravity and acceleration
Torque	Define and demonstrate a practical application of torque
	Show how torque can be increased and decreased
	Show how torque and mechanical advantage are related
Inertia	Define inertia
	Show the effects of inertia in a mechanism
	Demonstrate methods by which friction can be decreased or increased
Rotational Motion		8	3	5
Measurement of rotational motion	Explain the units and relationships of rotational motion
Motion along a curved path	Demonstrate the effects of centrifugal and centripetal forces
Power on a rotational system	Show how RPM, torque, and horsepower are related
	Solve practical RPM, torque, and horsepower problems
Transferring rotational motion	Show the ways that rotational motion can be transferred
Gears	Show how gears transfer rotational power
	Show how gears can be used to change torque and speed
	Solve practical ratio, RPM, and torque problems
Belts and chains	Show transfer of rotational power
	Show how chains and belts can be used to change torque and speed
	Solve practical ratio, RPM, and torque problems
Work, Power and Energy		6	3	5
Work	Define and demonstrate a practical application of work
	Show components of work
	Demonstrate practical ways of measuring work
Power	Define power
	Explain the elements of power
	Demonstrate the measurement of power in a practical mechanical application
Energy	Define kinetic energy, give examples, and demonstrate its practical application
	Define potential energy
Matter		5	0	3
Properties	Describe the properties of solid, liquids, gases
Hookes Law	Apply Hookes Law to practical situations
Density	Solve density and specific gravity problems
Gases		5	2	3
Charle’s Law	Solve practical problems with Charle’s Law