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W. O. D. Counterforce - An opposing or corresponding force

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Presentation on theme: "W. O. D. Counterforce - An opposing or corresponding force"— Presentation transcript:

1 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.

2 Date: Feb 12, 2015 Page: NEW TABLE OF CONTENTS PAGE 25. W. O
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?

3 Archimedes once said, “Give me a place to stand on, and I will move the earth.”

4 Today’s plans Yoga Review Newton’s Laws Finish Energy Reading (p. 26).
Inertia activities –finish p. 27. Simple Machines p. 28 (text p ) MTV Voices Quick Quiz #7 Reflection

5 NEW TABLE OF CONTENTS! P. 25 Energy Reading (p. 26).
Inertia activities –finish p. 27. Simple Machines p. 28 (text p )

6 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.

7 Newton’s Second Law of Motion: The acceleration of an object depends on its mass and the force applied.

8 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.

9 Reflection (back-side of warm-up sheet)
Are all of your assignments taped in and flagged for grading?

10 Reflection (back-side of warm-up sheet)
Name the simple machine shown below:


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