Kenster1025
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[Very Urgent]Should Have Written it Down?
Tomorrow I have to submit this analysis on a lab where you created a car that could carry an egg more then five meters across the floor while being powered by a fan. I created the car it pretty much didn't work since I had my wheels didn't turn that well, so I only made it as far as. I forgot to write down a instruction and now I am stuck on finding the frictional force.
Results from the experiment
Trials(With the egg):
Trial 1: 2.9m in 90 secs
Trial 2: 2.2 in 8.0 secs
Trial 3: 2.6 in 7.0 secsMass of the car 0.1426 kg (Without the Egg).
A questions:
When my teacher finished with the trials he then pulled out a spring scale attached it to the back of the car, turned the fan back on, and got a applied force of 0.6 N. The real question, calculate the magnitude of the frictional force exerts on the wheels. There is no coefficient, that is still to be found after this question is answered.
Fn or Fg = m(g), Fa, Fk or Fnet = m(a)
m = 0.1426 kg, g = 9.8 N/kg, Fa = 0.6 N
Fn = (0.1426kg)(9.8N/kg)
Fn = 1.39748 N
Ff = Fg + Fa
Ff = 1.39748 N + 0.6 N
Ff = 1.99748 N?
I am concerned about my answer since the applied force 0.6 N was found with the extra weight of the egg, and the mass was found without the egg. There is no coefficient.
So if I can at least get something before noon Friday November 6, then I should be okay.
Thank you.
Ken
Homework Statement
Tomorrow I have to submit this analysis on a lab where you created a car that could carry an egg more then five meters across the floor while being powered by a fan. I created the car it pretty much didn't work since I had my wheels didn't turn that well, so I only made it as far as. I forgot to write down a instruction and now I am stuck on finding the frictional force.
Results from the experiment
Trials(With the egg):
Trial 1: 2.9m in 90 secs
Trial 2: 2.2 in 8.0 secs
Trial 3: 2.6 in 7.0 secsMass of the car 0.1426 kg (Without the Egg).
A questions:
When my teacher finished with the trials he then pulled out a spring scale attached it to the back of the car, turned the fan back on, and got a applied force of 0.6 N. The real question, calculate the magnitude of the frictional force exerts on the wheels. There is no coefficient, that is still to be found after this question is answered.
Homework Equations
Fn or Fg = m(g), Fa, Fk or Fnet = m(a)
The Attempt at a Solution
m = 0.1426 kg, g = 9.8 N/kg, Fa = 0.6 N
Fn = (0.1426kg)(9.8N/kg)
Fn = 1.39748 N
Ff = Fg + Fa
Ff = 1.39748 N + 0.6 N
Ff = 1.99748 N?
I am concerned about my answer since the applied force 0.6 N was found with the extra weight of the egg, and the mass was found without the egg. There is no coefficient.
So if I can at least get something before noon Friday November 6, then I should be okay.
Thank you.
Ken
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