# Succeed in Understanding Mechanics

by Ron Kurtus

* Mechanics* is a branch of Physics that is concerned with the study of motion and forces on objects. The material here will concentrate on classical or everyday mechanics.

Classical Mechanics is divided into *kinematics* and *dynamics*. Kinematics is concerned with the motion of objects *without consideration of the causes of motion*. Dynamics concerns the relationship between the motion of bodies and its causes, namely the forces acting on the bodies and the properties of the bodies.

The knowledge of Mechanics is important for the development of the products we use. It is also an interesting and exciting subject of value in many walks of life. There is a great need for people who understand scientific principles and know how to think logically. Your knowledge and skills in these areas can help you excel in school, advance your career or improve your business.

The purpose of these free online lessons is to give you a start at improving your scientific knowledge of physics that will help you become a champion in the field. If you have any questions, send me an email.

## Mechanics Contents

## Basics

-- Quantum Mechanics

## Kinematics

Kinematics is concerned with the motion of objects *without consideration of the causes of motion*.

## Dynamics

Dynamics concerns the relationship between the motion of bodies and forces causing that motion.

### Motion laws

### Periodic Motion

Some forces are required

### Wave Motion

Units of Frequencies and Wavelengths

Conventions for Doppler Effect Equations

Summary of Doppler Effect Equations

Derivation of Doppler Effect Wavelength Equations

Derivation of Doppler Effect Frequency Equations

### Force

Force affects the motion of an object

The Mysterious Force at a Distance

### Gravity and Gravitation

Gravity and gravitation are forces that affect the motion of objects

See the main **Gravity** and **Gravitation** menu page.

Major topics are:

### Friction

Friction is a resistive force that affects the motion of an object

### Energy

Energy is a result of force.

### Work

Work is the force required to move an object some distance

### Machines

Machines are devices that improve the mechanical advantage of the effort

## Resources

## Survey question

Answer a survey question and see the results from other participants.

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