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Normal Force

  • #1

Homework Statement


a 1,000 kg car coasts into a slight dip in the road. The radius of the dip is 200-m. At the bottom of the dip the speed of the car is 10 m/s.
what is the magnitude and dirrection of the normal force?


Homework Equations


Sum of f=ma to find acceleration.


The Attempt at a Solution


the acceleration would be .5 m/s/s so wouldnt it just be .5*1000
the answer says it should be 10300 though.
 

Answers and Replies

  • #2
rock.freak667
Homework Helper
6,230
31
there is the normal force acting as well as weight. The resultant of these two provide the centripetal force, mv2/r
 
  • #3
so what steps do i take first?
 
  • #4
rock.freak667
Homework Helper
6,230
31
so what steps do i take first?
Write down the resultant force in terms of the normal reaction and the weight
 

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