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Rishisharma9058
The door fixed by hinges is in rotational equilibrium.Then why torque due to its weight is zero
There is a torque due to its weight, but what is the direction of that torque? How does it relate to rotation about the hinge?Rishisharma9058 said:The door fixed by hinges is in rotational equilibrium.Then why torque due to its weight is zero
The weight of an object is determined by the force of gravity acting on it. In the case of a door, the weight would be the force pulling the door downwards. However, when a door is hung on its hinges, the force is distributed evenly across the hinges, resulting in a net force of zero. This means that the door itself does not have any weight due to the equal and opposite forces acting on it.
The weight of a door can affect its functionality in a few ways. A heavier door may be more difficult to open and close, especially for those with physical limitations. It may also put more strain on the hinges, leading to wear and tear over time. On the other hand, a heavier door may provide better sound insulation and may be more durable.
No, the weight of a door can vary depending on its material, size, and design. For example, a solid wood door will typically be heavier than a hollow core door. Additionally, if a door is not properly hung on its hinges, there may be an uneven distribution of weight, resulting in a net force that is not zero.
The weight of a door can be changed by altering its material or size. For example, replacing a solid wood door with a hollow core door can significantly reduce its weight. Additionally, adding or removing hardware, such as doorknobs and hinges, can also impact the weight of a door.
The weight of a door can impact its energy efficiency in a few ways. A heavier door may require more force to open and close, making it more difficult to maintain a consistent indoor temperature. It may also put more strain on the door frame, creating gaps that can let in drafts. On the other hand, a heavier door may provide better insulation and reduce heat loss. Overall, the weight of a door is just one factor that can impact its energy efficiency.