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TOK PRESENTATION. PHYSICS VS INTUITION . Physics vs Intuition. What do we do in Physics? Observe the physical world and make models to help us understand how the different parts interact. Physical Models. Visual Models. Physical Models. Visual Models. Physical Models.

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TOK PRESENTATION

PHYSICS VS INTUITION


Physics vs intuition
Physics vs Intuition

  • What do we do in Physics?

  • Observe the physical world and make models to help us understand how the different parts interact.


Physical models
Physical Models

  • Visual Models


Physical models1
Physical Models

  • Visual Models


Physical models2
Physical Models

  • Mathematical Models


Physical models3
Physical Models

  • Graphical Models



Why do we make these models
Why do we make these models?

  • To make predictions

  • Some examples




Why not use intuition
Why not use intuition?

  • What happens when you get hit by a water canon?

  • We all know the answer but Physicists use laws to explain the answer


Newtons laws of motion
Newtons Laws of Motion

  • Newtons 1st Law

    The water is changing it's velocity when it hits the people so there is an unbalanced force acting on the water

  • Newtons 2nd Law

    The size of the force is equal to the rate of change of the momentum of the water.

  • Newtons 3rd law

    There must be an equal and opposite force on the people



The physicist can also make predictions
The physicist can also make predictions. anything that we don't know.

  • If there is more water the rate of change of momentum will be bigger and therefore the force will be bigger.

  • We all knew that


When is intuition not enough
When is intuition not enough? anything that we don't know.

  • What happens when the rod below is subjected to two Forces?


When is intuition not enough1
When is intuition not enough? anything that we don't know.

  • What happens when the rod below is subjected to two Forces?


When is intuition not enough2
When is intuition not enough? anything that we don't know.

  • What happens to the balloon when car stops?


When is intuition not enough3
When is intuition not enough? anything that we don't know.

  • What happens to the balloon when car stops?


So what do i teach
So what do I teach? anything that we don't know.

  • How things work?

  • No, a way of thinking

  • How to use principles and laws to solve problems rather than intuition

  • Non critical thinking?


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