Date Feb 12 2015 Page Table of Contents
Date: Feb 12, 2015 Page: Table of Contents p. 25 W. O. D: Last 5 pages Warm-ups: Front Cover W. O. D. Counterforce - An opposing or corresponding force. Example: Air resistance provides a counterforce to gravity as a skydiver falls out of an airplane. Question: Give another example of counterforce.
Date: Feb 12, 2015 Page: NEW TABLE OF CONTENTS PAGE 25 W. O. D: Last 5 pages Warm-ups: Front Cover W. O. D. Magnitude: The great size or extent of something. Question: What effect would a lever have on the magnitude of force shown by the child below?
Archimedes once said, “Give me a place to stand on, and I will move the earth. ”
Today’s plans • • Yoga Review Newton’s Laws Finish Energy Reading (p. 26). Inertia activities –finish p. 27. Simple Machines p. 28 (text p. 216 -228) MTV Voices Quick Quiz #7 Reflection
NEW TABLE OF CONTENTS! P. 25 • Energy Reading (p. 26). • Inertia activities –finish p. 27. • Simple Machines p. 28 (text p. 216 -228)
Newton’s First Law of Motion: An object in motion stays in motion, and an object at rest stays at rest unless acted upon by an unequal force.
Newton’s Second Law of Motion: The acceleration of an object depends on its mass and the force applied.
Newton’s Third Law of Motion When one object exerts a force on another object, the second exerts an equal and opposite force in return.
Reflection (back-side of warm-up sheet) Are all of your assignments taped in and flagged for grading?
Reflection (back-side of warm-up sheet) Name the simple machine shown below:
- Slides: 10