Understanding Torque: A Request from Billy

  • Context: High School 
  • Thread starter Thread starter BillyCheung
  • Start date Start date
  • Tags Tags
    Request Torque
Click For Summary
SUMMARY

Torque is defined as the ability to twist an object, quantified by the equation torque = rxF, where 'r' is the distance from the pivot point to the point of force application, and 'F' is the applied force. To effectively apply torque, one must maximize the distance from the pivot point, as demonstrated with a wrench; pushing at the end of the wrench increases torque, while pushing close to the nut reduces it. Additionally, applying force in a direction aligned with the wrench does not produce twisting, emphasizing the importance of angle in torque application.

PREREQUISITES
  • Understanding of basic physics concepts, particularly force and motion.
  • Familiarity with the mechanics of levers and rotational motion.
  • Knowledge of vector components and their influence on physical systems.
  • Experience with practical applications of tools like wrenches in mechanical tasks.
NEXT STEPS
  • Study the principles of rotational dynamics in physics.
  • Learn about the applications of torque in engineering, specifically in mechanical design.
  • Explore the relationship between torque and angular momentum.
  • Investigate the use of torque in various tools and machinery, including automotive applications.
USEFUL FOR

Students of physics, mechanical engineers, and anyone interested in understanding the practical applications of torque in everyday tools and machinery.

BillyCheung
Messages
9
Reaction score
0
Dear all

I know that torque = rxF, but I don't understand the concept of torque. Would you mind teach me? Thank a lot. Good Bye

Billy
 
Physics news on Phys.org
It's the ability to twist caused by a force.

Consider a wrench.

If you push on the wrench to loosen a nut you hold it as far down the shaft as possible. If you push when your hand is really close into the nut it won't do as much.

Also, if you push on the nut straight in a line with the wrench you won't cause any twisting either (that's the X term)
 

Similar threads

  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 37 ·
2
Replies
37
Views
3K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 3 ·
Replies
3
Views
7K
  • · Replies 60 ·
3
Replies
60
Views
8K
Replies
4
Views
2K
  • · Replies 14 ·
Replies
14
Views
2K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 1 ·
Replies
1
Views
3K