Why Physics?

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  • Published: 14 Mar 2014
  • Updated: 15 Mar 2014
  • Status: Complete
Explore the entirity of the universe in one book. Why are we here? What caused it? The future?

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4. Forces

Forces are all around us.  How many can you name?

I came up with this quite small list:

1.Gravity

2.Thrust

3.Drag

4.Lift

5.Friction

6.Air Resistance

And

7.Boyancy

 

Each force has an individual job to do, example, gravity keeps us on the ground.  It is the force of thrust that is pushing the unverse further apart by the moment, and it is the force of air resistance that stops aeroplanes travelling forever!  In fact, if even one of the forces didn't exist, hundreds of people could die.  Example, if boyancy didn't exist, boats would't float - they would sink, and their passengers with them!  Not many forces are recognised by non-scientists, and often forgotten by people who studied science.  I had forgotten about friction, of all forces, before I polished my knowledge to write this book!

Did you name any that wasn't on my list?  Leave a comment and let me know!

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