Friction and cars (or any traveling thing)

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    Cars Friction
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Discussion Overview

The discussion revolves around the dynamics of a toy car with a mass of 1 kg and the implications of friction on its acceleration on a flat surface. Participants explore the relationship between applied force, friction, and acceleration, considering whether the car can achieve an acceleration greater than 1 m/s² under the given conditions.

Discussion Character

  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • One participant suggests that with a maximum friction force of 1 N, it is possible for the car to have an acceleration greater than 1 m/s² by increasing the applied force.
  • Another participant questions the scenario by asking if there is an incline, indicating that the surface's angle may affect the analysis.
  • A participant argues that the only force propelling the car is the friction between the tires and the road, which limits the maximum acceleration. They assert that exceeding the maximum friction force would lead to slipping and reduced propelling force.
  • The same participant reiterates their point about the limitations of friction and concludes that it is not possible for the car to achieve the desired acceleration without additional propulsion methods.

Areas of Agreement / Disagreement

Participants express differing views on whether the toy car can achieve an acceleration greater than 1 m/s². While one participant believes it is possible with sufficient applied force, others contend that the limitations imposed by friction make it impossible.

Contextual Notes

The discussion does not resolve the assumptions regarding the nature of friction (static vs. dynamic) and the effects of potential additional forces acting on the car, such as drag or other propulsion methods.

shredder666
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lets take the situation of a traveling toy car with 1kg of mass...
If the maximum force of friction between the car and the road is, let's say, 1N, then is it possible for the car to have >1m/s^2 acceleration?
 
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Is there an incline?
 
no just a flat surface
 
Hey
I think that is possible
because you said that
m=1 Kg
max friction force=1N
okay, see when the car will move it's equation will be
x comonent
F(applied force)-f(friction force)=ma
if you raise your applied force you will get acceleration greater than 1m/s2
 
the only force propelling a car is friction between tires and the road, which will determine the maximum acceleration (and deceleration) if you want to neglect drag; trying to apply any higher force will result in slipping and actually less propelling force because the tires will go from static to dynamic friction.
The answer to the original post is no, it not possible (unless you carry a rocket engine in the trunk)
 
dgonphys said:
the only force propelling a car is friction between tires and the road, which will determine the maximum acceleration (and deceleration) if you want to neglect drag; trying to apply any higher force will result in slipping and actually less propelling force because the tires will go from static to dynamic friction.
The answer to the original post is no, it not possible (unless you carry a rocket engine in the trunk)

thnx
 

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