How Does Inclined Load Affect Weight Distribution When Moving a Cabinet?

In summary, inclined loads significantly alter weight distribution when moving a cabinet. As the angle of inclination increases, the center of gravity shifts, causing more weight to be concentrated on the lower side. This change requires careful handling to prevent tipping or losing balance, emphasizing the importance of proper lifting techniques and equipment to ensure safety and stability during the move.
  • #1
tomlib
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TL;DR Summary
How the weight changes on the sides of the body/cabinet if it is tilted
Hello. I want to ask for advice. I know I probably won't understand it anyway, but maybe some information will help me. I did not find a solution to this problem on the Internet, which in itself I do not understand. We moved the cabinet and I can't calculate how much the weight on the opposite side will change if the cabinet is lifted on one side.
Likewise if it is held on the bottom or top edge. Is it necessary to take into account that the cabinet has mass in the sides and not in the center of the body? I was able to determine that if the cabinet was hung at one end only, the suspension point would bear the full weight, if it were raised at the other end, this weight would gradually decrease, but how and by how much? Perhaps the crank relation of cosine on a circle applies. Similarly, I would be interested, if two movers carry a cabinet down the stairs, how much weight will the lower mover carry. The inclined plane is applied here, but also the force that must lift the cabinet upwards. Again, there is probably a paradox in view of the above, that it seems that the top end at the top of the stairs will be lighter. Can someone give me some information? I would also welcome a logical reasoning.
So I'm actually interested in cases where the cabinet is attached at points A and B and then also at points C and B. The slope is 27°, the total weight of the cabinet can be 42 kg.

(I used Google Translator)

tomlib
 

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  • #2
Hi,

Key concept here is torque : the case is not moving and not rotating.
If the mass of the case is not distributed asymmetrically, the center of mass is in the middle as drawn here:

1712856040348.png


and equilibrium means two requirements are satisfied:

1. Force balance : ##F_a + F_b + mg = 0##. Since ##mg = -420 ## N you get ##F_a + F_b = 420## N

2. Torque balance: take the center of mass as axis of rotation, then no rotation takes place if
##x_a\times F_a - x_b\times F_b = 0##

With ##AC = p## and ##AB=q## you have ##AD = \sqrt{p^2+q^2}## and with an angle of ##\theta = 27^\circ## you have ##x_a+x_b=p\cos\theta## and ##x_a = {1\over 2} (p\cos\theta - q \sin\theta)## and of course ##x_b = {1\over 2} (p\cos\theta + q \sin\theta)##

##\ ##
 
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FAQ: How Does Inclined Load Affect Weight Distribution When Moving a Cabinet?

1. How does an inclined load affect the weight distribution on a cabinet?

When a cabinet is moved on an incline, the weight distribution shifts due to the gravitational force acting on it. The center of mass changes, causing a greater portion of the weight to be supported by the lower side of the incline. This can lead to increased pressure on the lower edge or corner of the cabinet, which may affect stability and the risk of tipping over.

2. What factors influence how weight is distributed when moving a cabinet on an incline?

Several factors influence weight distribution, including the angle of the incline, the weight of the cabinet, the position of the center of mass, and the surface friction between the cabinet and the incline. A steeper incline will increase the force acting down the slope, altering the distribution more significantly compared to a gentler slope.

3. How can I safely move a cabinet on an incline without damaging it?

To safely move a cabinet on an incline, ensure that the incline is gradual and stable. Use a dolly or furniture sliders to reduce friction and maintain control. Secure the cabinet by using straps or ropes to prevent it from sliding or tipping. Additionally, always have someone assist you to help balance the load and navigate the incline safely.

4. What are the risks of improper weight distribution when moving a cabinet on an incline?

Improper weight distribution can lead to several risks, including tipping or toppling of the cabinet, which may cause injury to individuals nearby or damage to the cabinet itself. It can also result in loss of control, making it difficult to maneuver the cabinet safely, potentially leading to accidents or property damage.

5. Can the design of the cabinet affect how it behaves on an incline?

Yes, the design of the cabinet can significantly affect its behavior on an incline. Cabinets with a lower center of mass are generally more stable and less likely to tip. Additionally, the shape and weight distribution of internal components can influence how the cabinet reacts to being moved on an incline, affecting both safety and ease of movement.

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