Newton’s Laws

Newton’s LawsNewton’s LawsClass NotesClass Notes

Patrick Kocsis

McMillan Magnet Middle School

Omaha Public Schools

Newton’s First LawNewton’s First Law An object at rest remains at rest and An object at rest remains at rest and

an object in motion remains in an object in motion remains in motion (at a constant speed and in a motion (at a constant speed and in a straight line) unless acted on by an straight line) unless acted on by an unbalanced force.unbalanced force.

How does this animation prove Newton’s 1How does this animation prove Newton’s 1stst Law? Law?

Newton’s First LawNewton’s First Law

Write three examples of the 1Write three examples of the 1stst law: law:

Draw a diagram of Newton’s 1Draw a diagram of Newton’s 1stst law: law:

Newton’s Second LawNewton’s Second Law

The acceleration of an The acceleration of an object depends on the object depends on the massmass of the object and the of the object and the amount of amount of forceforce applied. applied.•EquationEquation

FForce=orce=MMass x ass x AAcceleration cceleration ((F=M x AF=M x A))

Newton’s Second LawNewton’s Second Law

How do these animations prove How do these animations prove Newton’s Second Law?Newton’s Second Law?

Newton’s Second LawNewton’s Second Law

Write two examples of the 2Write two examples of the 2ndnd law law

Create a diagram showing the 2Create a diagram showing the 2ndnd law law

Newton’s Third LawNewton’s Third Law

For every force there is an equal and For every force there is an equal and opposite force.opposite force.

How do these animations prove How do these animations prove Newton’s Third Law?Newton’s Third Law?

Newton’s Third LawNewton’s Third Law

Write three examples of the 3Write three examples of the 3rdrd law: law:

Draw a diagram to demonstrate the Draw a diagram to demonstrate the 33rdrd law: law:

Putting the Laws TogetherPutting the Laws Together Boat LabBoat Lab

• Students will design and build boats that Students will design and build boats that will compete in the “Monarch Grand will compete in the “Monarch Grand Prix” to win a grand prize of 100 Grand.Prix” to win a grand prize of 100 Grand.

Students will complete a computer Students will complete a computer simulation of the boat lab that applies simulation of the boat lab that applies Newton’s Laws to the task.Newton’s Laws to the task.

Students will design and create balloon-Students will design and create balloon-powered boats. powered boats.

Students will work within a budget.Students will work within a budget. Students will complete a formal lab write-up Students will complete a formal lab write-up

utilizing the scientific method.utilizing the scientific method.

Slough PicturesSlough Pictures

Boat PicturesBoat Pictures

Side View Front View

Top View

Boat Pictures (cont.)Boat Pictures (cont.)

Side View Front View

Top View

Idea for Computer Idea for Computer Simulation Simulation

Physics Boat RacingPhysics Boat Racing

Patrick KocsisPatrick Kocsis

Simulation Suggestion 1Simulation Suggestion 1

MassMass• Create 3 different sized ‘boats’ Create 3 different sized ‘boats’ • The highest mass moves slowest, the The highest mass moves slowest, the

lowest mass moves fastest across the lowest mass moves fastest across the track.track.

= Boat

90g

60g

30g

S l o w M o v e m e n t

M e d i u m M o v e m e n t

F a s t M o v e m e n t

= Track

Simulation Suggestion 2Simulation Suggestion 2 ForceForce

• Use 3 different sized balloons but same Use 3 different sized balloons but same sized boatsized boat

• The lowest amount of force moves The lowest amount of force moves slowest, the highest amount of mass slowest, the highest amount of mass moves fastest across the track.moves fastest across the track.

= Boat

S l o w M o v e m e n t

M e d i u m M o v e m e n t

F a s t M o v e m e n t

= Track

= Balloon

Simulation Suggestion 3Simulation Suggestion 3

Boat designBoat design• Create 3 same massed boats, but change hull Create 3 same massed boats, but change hull

design design • The blunt front moves slowest, the sleekest The blunt front moves slowest, the sleekest

front moves fastest across the track.front moves fastest across the track.

= Boat

S l o w M o v e m e n t

M e d i u m M o v e m e n t

F a s t M o v e m e n t

= Track = Balloon

Simulation Suggestion 4Simulation Suggestion 4 Mass, Force, and DesignMass, Force, and Design

• Students can create their own boats, Students can create their own boats, using the three variables to check their using the three variables to check their design for efficiency design for efficiency

M o v e m e n t T i m e d

= Track

Student Boat

Mass Choices

90g

60g

30g

(Boat)Force Choices

(Balloon)Design Choices

(Hull)

Questions?Questions?

Thanks for listening.Thanks for listening.