What is the optimal type of acceleration for Newton's force-mass ratio?

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Discussion Overview

The discussion revolves around the types of acceleration that can be associated with Newton's force-mass ratio, exploring whether it should be angular, linear, or some other form of acceleration. Participants delve into the implications of these different types of acceleration in the context of Newton's laws of motion, including both translational and rotational dynamics.

Discussion Character

  • Debate/contested
  • Technical explanation
  • Mathematical reasoning

Main Points Raised

  • Some participants question whether there are restrictions on the type of acceleration that can be used to express Newton's force-mass ratio, suggesting possibilities like angular, linear, or electric acceleration.
  • Others clarify that Newton's 2nd Law can be applied to both translational and angular acceleration, with specific equations for each context (a = F/m for translational and α = Torque/I for rotational).
  • There is a discussion about the differences in units for angular and linear acceleration, noting that angular acceleration is expressed in radians/sec² while linear acceleration is in m/sec².
  • One participant emphasizes the importance of dimensional analysis in understanding the relationship between different types of acceleration.
  • There is a humorous exchange regarding the equivalence of radians and meters, with a participant joking about the impracticality of walking a certain number of radians to return home.

Areas of Agreement / Disagreement

Participants express differing views on the applicability and definitions of various types of acceleration, indicating that the discussion remains unresolved with multiple competing perspectives on the topic.

Contextual Notes

Some participants highlight the need for clarity in definitions and units when discussing acceleration types, but these points remain open to interpretation and debate.

deda
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Is there any restriction to what type of acceleration should give Newton’s force - mass ratio? Should it be angular or linear or electric or whatever acceleration? The fact that the rigid bar on which the weights hold IS rigid means that the weights are rotating around the center of the lever and the angle of rotation for each weight is same. So, this force - mass ratio either could or must be expressed thru this angle, which enables that ratio to be equivalent with the angle. This also enables that ratio to be equivalent with the angular acceleration. Angular acceleration is not same with the linear one. If it was then it could be same also with electric acceleration that I define like some Coulombs over seconds squared.

So what type of acceleration gives Newton’s force - mass ratio?

After all I don’t think even angular acceleration is necessary to simulate the motion in one system. Look:
D_1 = (random, random, random) - nonzero distance of first weight.
F_1 = (random, random, random) - nonzero force of first weight.
D_2, F_2 - distance, force of second weight.
n = random (1, 100) - ratio of the distances.
A = random (0, 359) - the angle of rotation same for all.
[tex]make D_2 = \frac {-n}{|D_1|} D_1[/tex]
[tex]make F_2 = \frac {-|D_1|}{|D_2|} F_1[/tex]
[tex]for i = 1 and 2 make[/tex]
[tex]new (F_i) = cos(a) F_i - \frac {|F_i | sin(a)}{|D_i |} D_i[/tex]
[tex]new (D_i) = cos(a) D_i + \frac {|D_i | sin(a)}{|F_i |} F_i[/tex]
 
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deda said:
Is there any restriction to what type of acceleration should give Newton’s force - mass ratio? Should it be angular or linear or electric or whatever acceleration?
Newton's 2nd Law can be expressed for translational acceleration or angular acceleration (for rotational motion). For translational motion: a = F/m; for rotational motion: α = Torque/I.
Acceleration is a kinematic concept: there is no "electric" or other kind of acceleration.
 
Doc Al said:
Newton's 2nd Law can be expressed for translational acceleration or angular acceleration (for rotational motion). For translational motion: a = F/m; for rotational motion: α = Torque/I.
Acceleration is a kinematic concept: there is no "electric" or other kind of acceleration.
But there is a big difference between angular and linear:
-angular expresses in deg/sec^2
-linear in m/sec^2
What will decide which one I should use for Newton's froce - mass ratio?
 
deda said:
But there is a big difference between angular and linear:
-angular expresses in deg/sec^2
-linear in m/sec^2

Angular acceleration is expressed in radians/sec^2.

(Stupid equation here was deleted)

For a circle with a radius of 1 meter:
one radian is equivalent to 1 meter of arc length.

You see?
-Mike
 
Last edited by a moderator:
Michael D. Sewell said:
Angular acceleration is expressed in radians/sec^2.

For a circle with a radius of 1 meter:
one radian = 1 meter

You see?
-Mike
Ok, then I'll walk 500 radians to return home.
No man Pi radians is only equivalent (not equal) to 180 degrees.
 
Sorry, a bit cranky today are we?

Edited previous post.

Dimensional analysis. You see?
-Mike

P.S. I'd say that walking any more than pi radians(or in this case 3.14... meters) to return home would be wasteful. I think I could do it in 2 radii(2 meters).
 
Last edited by a moderator:

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