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F o r c e s

F o r c e s. F o r c e. A P u s h o r P u l l F o r c e s c a u s e a c h a n g e i n m o t i o n. F o r c e. A r i s t o t l e ' s i d e a :

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F o r c e s

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  1. F o r c e s

  2. F o r c e A P u s h o r P u l l F o r c e s c a u s e a c h a n g e i n m o t i o n .

  3. F o r c e A r i s t o t l e ' s i d e a : • F o r a n o b j e c t t o m o v e a t a c o n s t a n t s p e e d , a c o n s t a n t f o r c e m u s t b e a p p l i e d .

  4. F o r c e N e w t o n ' s i d e a : • A n o b j e c t m o v i n g a t a c o n s t a n t s p e e d w i l l c o n t i n u e a t t h a t s p e e d w i t h o u t a d d i t i o n a l f o r c e b e i n g a p p l i e d .

  5. B a l a n c e d F o r c e s F o r c e s t h a t a r e o p p o s i t e i n d i r e c t i o n a n d e q u a l i n s i z e .

  6. B a l a n c e d F o r c e s

  7. U n b a l a n c e d F o r c e s F o r c e s t h a t a r e n o t o p p o s i t e a n d e q u a l .

  8. N e w t o n ‘ s L a w s o f M o t i o n

  9. N e w t o n ‘ s 1 s t L a w A n o b j e c t a t r e s t w i l l r e m a i n a t r e s t , a n d a m o v i n g o b j e c t w i l l r e m a i n a t a c o n s t a n t v e l o c i t y u n l e s s u n b a l a n c e d f o r c e s a c t o n i t .

  10. N e w t o n ‘ s 2 n d L a w F o r c e = m a s s X a c c e l e r a t i o n F = m a

  11. N e w t o n ‘ s 2 n d L a w

  12. N e w t o n ‘ s 3 r d L a w F o r e v e r y a c t i o n , t h e r e i s a n e q u a l a n d o p p o s i t e r e a c t i o n .

  13. N e w t o n ‘ s 3 r d L a w

  14. F o r c e s t h a t O p p o s e M o t i o n • S l i d i n g F r i c t i o n : t w o s o l i d s u r f a c e s s l i d e o v e r e a c h o t h e r . • R o l l i n g F r i c t i o n : an o b j e c t r o l l s o v e r a s u r f a c e . • F l u i d F r i c t i o n : A n o b j e c t m o v e s t h r o u g h a f l u i d .

  15. L u b r i c a n t C h a n g e s s l i d i n g f r i c t i o n i n t o f l u i d f r i c t i o n .

  16. F r i c t i o n I s f r i c t i o n a l w a y s b a d ?

  17. G r a v i t y T h e f o r c e o f a t t r a c t i o n b e t w e e n a l l o b j e c t s i n t h e u n i v e r s e .

  18. A c c e l e r a t i o n o f G r a v i t y N e a r t h e s u r f a c e o f t h e e a r t h t h e a c c e l e r a t i o n d u e t o g r a v i t y i s 9 . 8 m / s / s

  19. T e r m i n a l V e l o c i t y T h e f i n a l s p e e d o f a f a l l i n g o b j e c t .

  20. T e r m i n a l V e l o c i t y A i r r e s i s t a n c e i s o f f s e t t i n g t h e w e i g h t o f t h e o b j e c t .

  21. F o r c e s E n d

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