Learning to calculate Force, mean, and Newton’s.

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Presentation transcript:

Learning to calculate Force, mean, and Newton’s

Ancient Greece is the home of early scientist, philosophers, mathematicians, poets and artist One of the most important mathematicians and natural philosophers was Pythagoras. He lived from 571 BC till 495 BC That’s 2500 years ago!

 Important work  The Pythagorean Theorem  a² + b² = c²  It is used to find the angle of a triangle  Today we will be using it to find the two angels that we are going to be working with today

 If we have the following  a = 10  b = 5  c = ?  That would be 10² (or 10 times 10)  That would be 5² (or 5 times 5)  This would give us = 125  0r 125 = c², we then take the square root of both sides (√)  c = 11.18º

 Was Born in 1642 meaning he lived almost 400 years ago  He is responsible for the measurement's known as Newton’s.  He is also responsible for the mathematical way of finding and explaining Force.  His equation for finding force is  Force (F) = Mass(M) times Acceleration (A)

 He also gave us a way to convert grams into Newton's, which is the measurement of weight in physics.  We do this by taking the grams and dividing by so it looks like this grams/1000  Then we take that number and multiply it by the Earths gravitation standard which is 9.8 m/s²

 If something has the weight of 20 grams we would do the following to find Newton’s (N)  20/1000 = 0.02  Then we multiply by Earths gravitations constant 9.8m/s²  So 0.02 times 9.8 = Newton’s or (N)

 When calculating Force we use the following equation Force (F) = Mass (m) times Acceleration (a)  So we get F= m· a  If we have a mass of.19 (N) and an acceleration of 2.3 m/s the math looks like this  F= Mass (.19 N) · Acceleration (2.3 m/s) amd we get F =.437 N m/s

 When calculating the average or the “MEAN”, MEAN is just a more sciency word for Average, we take all the times we recorded when racing our cars and then divided them by the number of times raced.  So it will look like this  Sum of time taken/number of times raced.

 When we take our measurement's when racing the cars down our ramps, we need to use the rulers on the table to check the distance the cup was pushed back from the original starting place. We then find our Average or “MEAN” of the distance traveled to see which car and which angle allowed for the most force to be witnessed.