This page of the Einstein Light site presents the concept of an inertial reference frame, along with explanations of Newton's three laws. The site includes a video depicting the principle and is produced at the...
This web page describes inertial and non-inertial frames of reference, the latter being frames where Newton's laws do not hold. The text explains "fictitious forces", the centrifugal force and the Coriolis force, that...
This website contains nine sets of curriculum materials on renewable energy sources, organized into units of instruction for Grades K-2, 3-5, 6-8, and 9-12. In the High Energy Hydrogen units, students investigate how a...
This webpage, from Hyperphysics, describes a pendulum and provides a formula for its period. The page includes a calculator to obtain the period from the pendulum's length and the acceleration of gravity.
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