Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an...

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Classical Physics Year 10 Pathway C Mr. D. Patterson 1

Transcript of Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an...

Page 1: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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Classical PhysicsYear 10 Pathway C

Mr. D. Patterson

Page 2: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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Describe forces as a push or a pull that can change an objects velocity or shape

State Newton’s First Law

Describe the concept of inertia

Outcomes

Page 3: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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A force is a push or pull which may:◦ A) Change the shape of an object◦ B) Change the velocity of an object

May the force be with you

ForceForce

Page 4: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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A force is a vector: it has magnitude and direction

The magnitude of the force is measured in Newtons (N)

May the force be with you

40 N left10 N Down

Page 5: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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Forces can occur even without contact

Contact and Non Contact

Page 6: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

Newton’s Laws

Sir Isaac Newton was a mathematician and physicist in the early 18th Century

Newton developed “three laws” of motion which described how objects move

Page 7: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

Newton’s first law Newton’s first law of motion:An object at rest stays at rest and an object

in motion stays in motion with the same speed.....

unless acted on by an unbalanced force.

No unbalanced forces.

Rock stays at rest.

No unbalanced forces.

Ice skater continues with constant speed

Page 8: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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These object have inertia

Inertia is the tendency to not change motion

Inertia

Page 9: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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Newton’s First law

Force Force

Page 10: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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Newton’s First Law

Force

Stops pulling

Page 11: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

Example A car is travelling at 100km/h when it

crashes into a barricade coming to a complete stop. The driver is wearing a seatbelt but his passenger is not.

Explain each persons motion during the crash using Newton’s first law of motion

Key words: force, rest, unbalanced, inertia

Page 12: Year 10 Pathway C Mr. D. Patterson 1. Describe forces as a push or a pull that can change an objects velocity or shape State Newton’s First Law

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Describe forces as a push or a pull that can change an objects velocity or shape

State Newton’s First Law

Describe the concept of inertia

Outcomes


Newton’s laws and application of newton’s laws

Newton’s laws and application of newton’s laws

Pull Pull Pull - Weebly

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WordDefinitionFormulaShorthand Formula UnitsPicture/Sym bol ForcePush or Pull Newton’s 2 nd Law of Motion Force = Mass X Acceleration F = m x aNewtons.

WordDefinitionFormulaShorthand Formula UnitsPicture/Sym bol ForcePush or Pull Newton’s 2 nd Law of Motion Force = Mass X Acceleration F = m x aNewtons.

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CHAPTER 4: Dynamics: Newton’s Laws of · PDF fileChapter 4 Dynamics: Newton’s Laws of Motion 9. When giving a sharp pull, the key is the suddenness of the application of the force.

CHAPTER 4: Dynamics: Newton’s Laws of · PDF fileChapter 4 Dynamics: Newton’s Laws of Motion 9. When giving a sharp pull, the key is the suddenness of the application of the force.

Chapter 4 Dynamics: Newton’s Laws of Motion. Outline of Chapter 4 Force Newton’s First Law of Motion Mass Newton’s Second Law of Motion Newton’s Third.

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Physics 2015: Newton’s Law in Action Newton’s Law in Action.

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Force = push or pull Newton’s Laws of Motion - 1 st (Inertia) - 2 nd (Force/Mass) - 3 rd (Action/Reaction)

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DYNAMICS & NEWTON’S LAW Topics: Force Newton’s Law of Motion Application of Newton’s Law.

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Chapter 3 Forces & Newton’s Laws. Forces Force —a push or pull that one body exerts on another Force Forces can be shown as vectors Vector.

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