Questions tagged [moments]

The tag has no usage guidance.

12 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
33 views

Optimization: Most efficient way for multiple people to move boxes

We are moving house in a few weeks and have a couple of people helping moving the boxes. My previous experience from moving is of queues building up in small hallways and people getting tired from ...
2
votes
0answers
31 views

Most efficient way for finding the rotation angles after moment distribution (Cross method)?

First of all, I have taken a look at the Grinter's method, which is similar to Cross, but balancing angles instead of moments. My question assumes that we are using the Cross method, and not the ...
2
votes
0answers
19 views

Shift of joint in kinematically indeterminate system

Given ist the following system: $$EI=100000\frac{\text{kN}}{\text{m}^2}$$ $$EA\to \infty$$ I'm suppossed to find the horizontal and vertical shift of joint g. My first approach was to use the ...
2
votes
0answers
49 views

Pin, Slot, and Spring Equilibrium

I am checking to see if this is done correctly, the slot is a little confusing for me. B is a pin in a slot, solve for the spring constant (k) so the 50 lb force applied does not move pin B Solving ...
1
vote
0answers
32 views

Does anybody know where this calculation for the mass moment of inertia for an eighth of a circle comes from?

These attached photos describe flaps which are a portion of a circle and equations are attached as the mass moment of inertia, but there are no descriptions. I am using this for part of my research, ...
0
votes
0answers
38 views

Lumber dimensions for machinery ramp

I would love help if anyone is able to offer any. I need to make a ramp to move equipment down a 3.5’ retaining wall. The ramp is to be 12’ long. I was going to use two 6” x 6” beams of Douglas fir, ...
0
votes
0answers
53 views

Machine Analysis Problem: Finding the vertical force at joint K

Help me in determining the right solution in this problem. I already have an initial solution here but when I compute, my answer does not match to the answer key. I would like to know where did I ...
0
votes
3answers
99 views

Given 3 force measurements, what are estimated forces at other locations?

Given three unequal force measurements spaced equally 120 degrees apart on a circular plate at F_R, F_C, F_L, I need to calculate what the estimated force measurements would be if taken at positions ...
0
votes
0answers
11 views

Can we collide two Nano Spacecraft moving at 20% speed of light?

Nano spacecrafts are gram level silicon chips that will be accelerated to 20% of the speed of light to reach Alpha Centauri in 20 years. I wonder if we can break the weight limitation by shooting ...
0
votes
0answers
53 views

External moment over an hinge

I want to find the moments around points A and B in the following figure. Suppose the structure is fixed at the point where $F_{ax}$ and $F_{ay}$ are located. I consider A and B to be hinges so that ...
0
votes
0answers
94 views

Finding transformation of forces and moments

I have two sets of forces and moments, measured by two 6 DOF force/torque sensors at position A and B on a robot arm (B at end effector). My goal is to use this measurements to relate the forces/...
0
votes
0answers
176 views

Finding Tension in cable in 3D Equilibrium

In a typical 3D Equilibrium problem. Assume you have two cables points supporting a mass. The two cables are K distance above origin and form a quadratic triangle with the mass which is a the same ...