Question

I know this is the wrong place but can someone please help me...
A car travels at a speed of 19 m/s around a curve of radius 35 m. Then angle of the bank is 18 degrees.
a: What is the net centripetal force needed to keep the car from skidding sideways?
b:Were there no friction between the car’s tires and the road, what centripetal force could be provided just by the banking of the road? Answer in units of N
c:Now 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.

Answer 1

d:Calculate the magnitude of the friction force. Answer in units of N e:Calculate the lowest possible value of the static friction coefficient μs that would pre- vent the car from skidding

I found the net force to be 14440

Answer 2

good question :)

Answer 3

I knowwwwwwwwwww Ive been working on it for literally hours I cant figure out what I am doing wrong.. I have like one try left on my hw... lol

Answer 4

id assume that if there were no friction between the tires and the road, that the speed of the car itself would never have gotten to what it claims to be; but lets say it is going around the curve; wouldnt the banking need to be 90 degrees?

Answer 5

i spose we could set up a hotwheels track and do some tests :)

Answer 6

at any rate, James might have some idea as to what you need. good luck

Answer 7

lol who is james..

Answer 8

Hes the guy floating around here with the screen name of James :)

Answer 9

lol oh

Answer 10

my other guess would have been the bible, but i cant see how that would have helped.... too much :)

Answer 11

Oh i forgot to mention the mass of the car is 1400kg

Answer 12

The centripetal force needed to keep the car on this path is simply
\[F=mv^2/r=(1400)(19)^2/35=14,400 N\]

Answer 13

should read 14, 440...typo

Answer 14

Yea i got that part... I cant figure out the rest