Online tutorial written by Mariusz Kovle, School of Physical Sciences, Curtin University, Perth, Australia.

http://www.curtin.edu.au/curtin/
dept/phys-sci/gravity/index2.htm

This tutorial covers a range of topics, including Newton's Law of Gravitation, rotational and satellite motion, Kepler's Laws, gravitational potential energy, and modern physics application of gravitation (Black Holes and gravitational waves).

Annenberg/CPB's Amusement Park Physics:

http://www.learner.org/exhibits/
parkphysics/

Design your coaster using the conservation of Work and Energy. This site includes a collection of links discussing roller coaster history, coaster phenomena, and a roller coaster database.

Also see Tony Wayne's RCP site:
http://www.vast.org/vip/book/
HOME.HTM

These sites discuss the physics of archery.

http://www.stortford-archers
.org.uk/medieval.htm

http://mrfizzix.com/archery/

http://www.student.
utwente.nl/~sagi/artikel/

An article by Dr. Randall Peters describing the nonlinear forces for a compound bow.

Lecture notes compiled by MJ Alport, University of Natal on the energy content of food.

http://www.nu.ac.za/physics/1M2002/
Energy%20work%20and%20power.htm

Also a short article on the chemistry of aerobic respiration by J.B. Calvert.

A Multimedia Physics Studio tutorial by StudyWorks! online.

http://www.physicsclassroom.com/
mmedia/energy/se.html

Includes descriptions of skiing, pendulum, roller coasters, motion on an incline and skidding.