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Understanding Forces: Laws of Motion and Friction

Explore the laws of motion by Aristotle and Newton, including balanced and unbalanced forces, friction types, gravity's impact on acceleration, and terminal velocity. Learn about forces at play in everyday scenarios.

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Understanding Forces: Laws of Motion and Friction

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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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