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a Ferris wheel that rotates five times each minute. It carries each car around a circle of diameter 18.0 m. What force (magnitude and direction) does the seat exert on a 53.0kg child when the rider is halfway between top and bottom?
 one year ago
 one year ago
a Ferris wheel that rotates five times each minute. It carries each car around a circle of diameter 18.0 m. What force (magnitude and direction) does the seat exert on a 53.0kg child when the rider is halfway between top and bottom?
 one year ago
 one year ago

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MiyuruBest ResponseYou've already chosen the best response.0
This question would be more suited in physics section.
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
yeah but they hardly ever have physics people on here
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
yes he can be anywhere it doesn't matter..
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
it says in the question 5 times each minute
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
i dont know where to start on this one
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
"..when the rider is halfway between top and bottom?" dw:1349189927715:dw
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
The resultant is the vector sum of the child's weight (up) and the centripetal force (towards center)
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
and thats for start
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
Can you convert that 5rpm into a linear speed, or at least an angular velocity in radians per second?
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
That will give you revolutions per second, but you need to convert revolutions to something useful like radians or meters.
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
Yes, it's a pretty easy operation, but I think you'll get more satisfaction if you try it yourself.
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
I already did try, i couldn't do it
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
May be the answer would be, 5300N clockwise
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
Try posting this in the physics section. Surely you would get an answer.
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
how did you get that
 one year ago

MiyuruBest ResponseYou've already chosen the best response.0
A mistake it would be 530N Well, the weight of the child is 53 kg gravitational acceleration appro. 10m/s2 then force= mass * acceleration = 53kg* 10m/s2 = 530kg/s2 = 530N
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
i think thats wrong
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
5rpm means 5 times 2π radians per minute. Divide by 60 to get radians/second. Multiply that by the radius of 9m to get linear speed. centripetal acceleration (just like in the last problem you did) is v^2/r.
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
i need to get going in about 10 minutes can you show me the steps and what the answer is so i can have a better understanding @CliffSedge
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
i got 4.71 after i multiplied it by 9
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
Ok, that will be your linear speed. Square that and divide by the radius to get centripetal acceleration. Mass times acceleration will give you force. Use mg to find the weight force. The resultant is the vector sum of those two forces. If you don't know how to find resultant vectors, then please go back to your book and study.
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.0
so 388.76? is this correct, i only have 1 attempt left?
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
You need magnitude and direction. What is the direction of the force vector?
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
How did you get 388.76? What are the units of that number?
 one year ago

CliffSedgeBest ResponseYou've already chosen the best response.0
Did you get 2.467 m/s^2 for the centripetal acceleration?
 one year ago
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