What is torque and how does it affect the motion of objects?

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    Torque
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Discussion Overview

The discussion revolves around the concept of torque and its effects on the motion of objects, particularly in relation to forces applied at different points on a block. Participants explore the definitions of torque and moments, the implications of applying force at the center of mass versus elsewhere, and the relationship between force, energy, and motion.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants seek a clear definition of torque and its relationship to moments.
  • One participant questions whether a 10kg block subjected to a 10N force away from its center of mass would have a linear acceleration less than 1m/s².
  • Another participant asserts that if the same force is applied to two 10kg blocks, one at its center of mass and the other not, they should require the same force to accelerate, but questions whether one situation requires more energy than the other.
  • There is a discussion about the concept of "harder to push" and the need for a definition of this term in the context of the applied force and energy.

Areas of Agreement / Disagreement

Participants express differing views on the implications of applying force at different points on the block, and whether this affects the energy required to move the block. The discussion remains unresolved regarding the exact relationship between torque, energy, and motion.

Contextual Notes

Some assumptions about the definitions of torque and moments may not be fully articulated, and the discussion does not resolve the mathematical implications of the scenarios presented.

member 529879
What exactly is torque? Also if a force of 10N was applied to a 10kg block in a location that is not at its center of mass, does the block have a linear acceleration less than 1m/s/s?
 
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Torque is the same as a moment. Do you understand what a moment is?
 
Scheuerf said:
What exactly is torque?
http://en.wikipedia.org/wiki/Torque
Scheuerf said:
Also if a force of 10N was applied to a 10kg block in a location that is not at its center of mass, does the block have a linear acceleration less than 1m/s/s?
No.
 
Okay so if you have two situations where you push a 10kg block each with the same force, but only one is being pushed at its center of mass, they should require the same force to accelerate. But does one situation require more energy than the other, and is one block harder to push?
 

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