|Oct16-08, 06:32 PM||#1|
Banked circular motion
1. The problem statement, all variables and given/known data
A car travels at a speed of 21 m/s around a
curve of radius 31 m.
The acceleration of gravity is 9.8 m/s2 .
It weighs 2600 kG, and is banked at 23 degrees.
Suppose the friction force is sufficient to keep the car from skidding. Calculate the
magnitude of the normal force exerted on the
car by the road’s surface.
Also, calculate the magnitude of the friction force.
2. Relevant equations
3. The attempt at a solution
Fstatic*cos 23 = m*v2/r
Would that make Fstatic 441*2600/(31 cos 23) = 40181.3164?
I have no clue how to find the normal...
|Oct17-08, 01:13 AM||#2|
|Oct17-08, 09:36 AM||#3|
Try drawing a FreeBody Diagram with all the forces ACTING on the body, that'll help
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