Questions tagged [torque]
This tag is for questions regarding to torque, which is a measure of the increase in angular momentum over time.
124
questions
0
votes
0
answers
24
views
Calculating the amount of torque applied to to stop a rod rotating at some angular velocity
Consider a Rod AB, having length $l$ with non uniform mass density $\lambda (x) $ a function of length from the end A, is rotating at an angular velocity $\omega$ with fixed end A and free end B. ...
- 169
0
votes
0
answers
13
views
Force and torque on the plate in a flow, described by complex function [closed]
I'm not sure if i should start with Blasius theorem to directly calculate the F_x and F_y, or to first calculate the velocity near the plate and then the pressure with Bernoulli's equation.
0
votes
1
answer
48
views
Calculating vehicle and tire acceleration with tire slipping
I'm attempting to simulate the motion of a vehicle with $N$ tires and I'm running into some trouble deriving forces/acceleration when adding friction and tire slipping into the picture. Here's an ...
- 103
0
votes
2
answers
72
views
Forces accelerating a tire
I'm attempting to write a little vehicle simulator and I'm working on calculating vehicle linear acceleration and tire angular acceleration. I'm trying to add in tire slipping and I'm having trouble ...
- 103
0
votes
2
answers
71
views
Why do objects with greater length feel heavier - and how to calculate perceived weight?
Consider this situation:
As part of some training, you are asked to pull an object that is 100 feet long, weighing approximately 218 pounds across a distance of 310 feet (fire hose across concrete if ...
- 103
0
votes
0
answers
26
views
Can a translational torque cause a change in rotational angular momentum? gyroscope example
Please confirm if my understanding is correct: The example of a gyroscope suspended from a pivot is a case in which translational torque causes a change in the direction of rotational angular momentum:...
1
vote
1
answer
45
views
Does the direction of the torque acting on a car tire change depending on which direction the tire is rotating?
As I understand, the reason why unbolted car tires will fly off perpendicular to the direction of a moving car is because of the torque generated by the axel. This is unintuitive to me because there ...
- 11
0
votes
0
answers
20
views
How can we find the angle between areal vector and magnetic field?
For finding torque we need to find the angle between areal vector and magnetic field. But areal vector makes an angle 37° with the x axis and that means it makes 53° with magnetic field because that's ...
- 91
0
votes
2
answers
58
views
In a magnetic field, does the force act on the midpoint of the current carrying wire?
Here, it says that the force acts on the middle points of the wires, but why?
What do they mean by when they are saying that the forces 1 and 3 are acting on the same line of action? How does that ...
- 91
0
votes
2
answers
65
views
Why isn't the moment always included in a free-body diagram?
Now I have seen many times both in my physics book and other books when drawing a free body diagram the moment is not included but the forces are. For example in 2d when a beam is fixed to a wall ...
- 103
-1
votes
0
answers
16
views
Torque about an axis for an object [duplicate]
Suppose I have an object-(a disc for example), it is rotating about all of its 3 principle axes with some angular velocities .Along with that, the principle axes are also rotating, giving an extra ...
0
votes
2
answers
51
views
How does the centripetal force on the butt of a golf club's shaft produce torque that rotates the club/clubhead forward?
In the top picture, which is how torque is typically explained, the center of rotation is different than in the bottom picture. I think I understand how this works in the top picture, but I don't see ...
0
votes
1
answer
31
views
Spinning plate on the barbell
Suppose I have a plate and a barbell like the ones we see in the gym. When I spin the plat in the clockwise direction, the barbell also starts spinning in the clockwise direction. When I put my hand ...
- 1
0
votes
1
answer
63
views
Can torques cause both transitional and rotatory motion?
Imagine a rod (a rigid body) 10 meters long that is freely floating in space without being attached at any point. Its mass is 12 kilograms and according to most sources I found, its moment of inertia ...
0
votes
1
answer
58
views
How torque and linear force interact with forces on poles
When there are 2 forces normal to each end of a uniform pole, if they had the same force, the rotation would be cancelled out and all force would be acting in one direction. But if one force was ...
