Day Topic: Newton’s 3rd Law

Slides:



Advertisements
Similar presentations
Warm-up: Identify the action force and the corresponding reaction force for each event: A fish swims through water. A rocket accelerates in outer space.
Advertisements

Newton’s Laws of Motion
Newton’s 1 st and 3 rd Laws. How do you start and stop the motion of an object?
Newton’s 3 rd Law of Motion Action - Reaction Chapter 6.3.
Newton’s 3 rd Law: Action - Reaction Newton’s 3 rd law of motion states that if one object exerts a force on another object, then the second object exerts.
Newton’s Third Law of Motion Physics Fall  According to Newton, whenever objects A and B interact with each other, they exert forces upon each.
Forces and Newton’s Third Law
Newton’s Third Law of Motion
Newton’s Third Law of Motion Please read pages for the first 10 min of class.
Chapter 6.3 Learning Goals
What is Newton’s 3 rd Law? The Questions.  Newton’s 3 rd Law says that for every action force there must be an equal and opposite reaction force.  The.
Objectives: The student will be able to: State Newton's 3rd law of motion and give examples that illustrate that law. Apply Newton’s 3 rd law of motion.
Newton's Third Law of Motion
6.3 Newton’s Third Law Newton’s Third Law (action- reaction) applies when a force is placed on any object, such as a basketball.
Newton’s Third Law and Momentum 3.1 pp Mr. Richter.
Physical Science Ch. 6 Forces are part of a mutual action called INTERACTION. WHERE IS THE INTERACTION IN THIS PICTURE?
Newton’s Third Law of Motion: Action-Reaction 8SCIENCE.
Objectives Define force as part of an interaction. (6.1)
6.3 Newton's Third Law pp
Chapter 5 Newton’s Third Law of Motion. Newton’s Laws For every action force there is an equal and opposite reaction force (You cannot touch without being.
Newton’s Third Law and Momentum
Newton’s 3 rd Law 11/27/13. Newton Hat Trick Video.
BELLWORK 11/12/2015 A car has a mass of 1.50 x 103kg. If the force acting on the car is 6.75 x 103N to the east, what is the car’s acceleration?
Newton’s 3 rd Law. Newton’s 2 nd Law is: A quantitative description of how forces affect motion. BUT: Where do forces come from? –Answer this with EXPERIMENTS!!
STARTER Imagine a loaded shopping cart and a small glass marble are both slowly rolling toward you at the same speed. The marble is easier to stop. Intuitively,
Newton’s Third Law Review Homework Notes: Newton’s Third Law
UNIT TWO: Motion, Force, and Energy  Chapter 4Motion  Chapter 5Force  Chapter 6Newton’s Laws of Motion  Chapter 7 Work and Energy.
Newton’s Third Law of Motion
Lesson 5: Action and Reaction - Newton’s Third Law.
Below is a collection of statements explaining Newton's second law of motion in words similar to those often presented in high school and college textbooks.
Newton’s 3rd Law 11/27/13.
Newton’s Third Law of Motion
Chapter 13 Section 1b: The Science of Rockets
Topic Newton’s third law. Level
Newton’s 3rd Law.
Newton’s 3rd Law.
Newton’s 3rd Law Notes and Examples
Newton’s Laws.
Newton’s Third Law of Motion
Unit 3: Force & Newton’s Part III (Chp 6)
Newton’s 3rd law.
CHAPTER 6 NEWTON’S THIRD LAW.
Newton’s Third Law of Motion
Newton’s Third Law of Motion
Newton’s 3rd.
Newton’s Laws of Motion
Science – Day 1 Agenda Have out the following: Homework
Newton’s 3rd Law of Motion
Newton’s Third Law of Motion
Newton’s 3rd Law.
Read pp Name 3 action/reaction force pairs.
Newton’s Laws of Motion
Newton’s Laws of Motion
Newton’s 3rd.
Newton’s Third Law of Motion
7.5 Defining Systems Action and reaction forces do not cancel each other when either of the forces is outside of the system being considered.
Newton’s 3rd Law of Motion
Newton’s 2nd Law of Motion
What is Newton’s 3rd Law of Motion?
Day Unit 4 Topic: Intro to Newton’s 3rd Law
Newton’s Third Law Notes
Describe & Apply Newton’s 3rd Law of Motion (Force-Pairs)
Law of Inertia Inertia is the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an.
Newton’s Third Law of Motion
6.3 Newton’s Third Law Newton’s Third Law (action- reaction) applies when a force is placed on any object, such as a basketball.
Objective SWBAT explain Newton’s third law and use it to explain the movement of objects.
Newton’s 3rd Law of Motion
Newton’s 3rd Law of Motion
6.3 Newton’s Third Law Newton’s Third Law (action- reaction) applies when a force is placed on any object, such as a basketball.
Presentation transcript:

Day 2 1-5-11 Topic: Newton’s 3rd Law Objective: I will recognize force pairs. Science Starter: Draw a simple sketch & explain why the skater moves forward. The skater moves forward because . . . the GROUND PUSHES BACK on the SKATER with an EQUAL and OPPOSITE REACTION FORCE

Identifying ACTION and REACTION forces FORCE PAIR Guidelines 1. Forces ‘come’ in PAIRS 2. Each force has the same strength (=). 3. Force Pairs act in opposite directions. 4. Force Pairs act on different objects. EXAMPLE: The Skateboarder ACTION FORCE: on the GROUND by the FOOT REACTION FORCE: on the FOOT by the GROUND

HOMEWORK REVIEW Who wins this contest? Imagine a skateboard contest between Newton and an elephant. They can only push against each other, not against the ground. The fastest one wins. The elephant knows it is much stronger and pushes off Newton with a huge force thinking it will surely win. But who does win?

Action and Reaction forces. 2. Given: One force in Newtons; 500 N down EXAMPLE: A woman with a weight of 500 N is sitting on a chair. Describe an action-reaction pair of forces. 1. Looking for: Action and Reaction forces. 2. Given: One force in Newtons; 500 N down 3. Relationships: Action-reaction forces are equal and opposite, and act on different objects. 4. Solution: ACTION: The 500N force on the chair by the woman REACTION: The EQUAL 500 N force on the woman by the chair

ACTION FORCE A baseball player hits a ball with a bat. Describe an action-reaction pair of forces. LOOKING FOR: GIVEN: RELATIONSHIP: SOLUTION: REACTION FORCE Force Pairs A bat hits a ball Force Pairs are EQUAL & OPPOSITE & act on DIFFERENT objects ACTION FORCE: Force on the ball by the bat REACTION FORCE: Force on the bat by the ball

The force of the bat on the ball accelerates the ball The force of the bat on the ball accelerates the ball. The force of the ball on the bat (reaction) slows down the swinging bat (action).

List one action / reaction pair shown in the picture below. Why don’t action and reaction forces cancel? L: Force Pairs G: R: S: Write this Q & A please ANSWER: The FORCES are acting on DIFFERENT OBJECTS

List action/reaction force pairs L: Force Pairs G: R: S:

The players foot kicks the ball. L: Force Pairs G: R: S: