Calculating Torque of a Uniform Door Due to its Own Weight

  • Thread starter Thread starter mikefitz
  • Start date Start date
Click For Summary
SUMMARY

The discussion focuses on calculating the torque of a uniform door weighing 50.0 N, measuring 1.0 m in width and 2.6 m in height, about a horizontal axis at a corner. The torque is calculated using the formula τ = rF, where τ represents torque, r is the distance from the pivot point to the point of force application, and F is the force applied. The torque due to the door's weight is determined to be 130 N·m, as the center of mass is located at 0.5 m from the hinge, leading to the calculation τ = 0.5 m * 50.0 N.

PREREQUISITES
  • Understanding of basic physics concepts, specifically torque
  • Familiarity with the formula τ = rF
  • Knowledge of force and its application points
  • Basic geometry related to lever arms and pivot points
NEXT STEPS
  • Study the principles of torque in rotational dynamics
  • Learn about the center of mass and its significance in torque calculations
  • Explore real-world applications of torque in engineering
  • Investigate the effects of varying pivot points on torque calculations
USEFUL FOR

Students in physics, engineering students, and anyone interested in understanding the mechanics of rotational forces and torque calculations.

mikefitz
Messages
155
Reaction score
0

Homework Statement



A uniform door
weighs 50.0 N and
is 1.0 m wide and
2.6 m high. What is
the magnitude of
the torque due to
the door's own
weight about a
horizontal axis
perpendicular to the
door and passing
through a corner?

http://img519.imageshack.us/img519/5172/untitledwp6.png


question; where does t=rF come from? it is not found on my equation sheet...
 
Last edited by a moderator:
Physics news on Phys.org
mikefitz said:
question; where does t=rF come from? it is not found on my equation sheet...

This is extremely elementary. What is the definition of the torque?
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
3K
Replies
1
Views
5K
Replies
1
Views
2K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 3 ·
Replies
3
Views
5K
  • · Replies 31 ·
2
Replies
31
Views
11K
  • · Replies 5 ·
Replies
5
Views
3K
Replies
3
Views
3K
  • · Replies 5 ·
Replies
5
Views
6K
  • · Replies 19 ·
Replies
19
Views
5K