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What prevents relative motion between a shaft and a part?
Friction between the shaft and part, which occurs due to surface interactions, can prevent relative motion. Additionally, if the shaft and part are accurately machined to fit together tightly, this interference fit can also prevent relative motion between them. Finally, using locking mechanisms such as keys, splines, or setscrews can also prevent relative motion between a shaft and part.
What is a shaft?
In general, a shaft is a long, slender rod or similar object. In engineering, a shaft is a rotating machine element used to transmit power. In anatomy, a shaft refers to the middle part of a long bone.
What is the shaft of the shoe?
The shaft of the shoe refers to the part of the shoe that covers the top of the foot and extends upwards towards the ankle. It can vary in height depending on the style of the shoe, with options like ankle, mid-calf, and knee-high shafts. The shaft provides support and structure to the shoe while also determining the overall look and fit.
What is shaft and coupling in the straight line assembly?
In a straight line assembly, the shaft is a rotating component that transmits power from one part of the assembly to another. It typically connects to a motor and allows for the transfer of rotational motion. A coupling is a device used to connect two shafts together at their ends to transmit power.
What is the definetion of core?
The core is the central part or essential component of something. It often refers to the innermost part of a structure or the most important aspect of a concept.
What are the three main layers of the hair shaft?
The three main layers of the hair shaft are the medulla (innermost layer), cortex (middle layer), and cuticle (outer layer). The medulla is the innermost part of the hair shaft, often absent in fine hairs. The cortex provides strength, color, and texture to the hair, while the cuticle is the protective outer layer made up of overlapping scales.
What part of the hair shaft is made of cortical cells?
The cortex layer of the hair shaft is made of cortical cells. It is the middle layer of the hair shaft and provides strength, elasticity, and color to the hair.
The externally observable part of a hair?
Actually, the correct answer is the Hair Shaft.The hair root is found in the dermis layer of your skin,and the epidermis is the observable layer of skin, in which the hair shaft is seen.
What are 2 main parts of a hair?
The two main parts of a hair are the shaft, which is the visible part of the hair above the skin, and the follicle, which is the structure located beneath the skin that anchors the hair in place and provides nutrients for hair growth.
What are the two main division of the hair?
The two main divisions of the hair are the hair shaft and the hair follicle. The hair shaft is the visible part of the hair that extends from the scalp or skin surface, while the hair follicle is the structure within the skin that produces the hair.
What is visible part of the hair called?
Hair Shaft
Which part of the hair shaft is most resistant to chemical decomposition?
The cuticle layer of the hair shaft is the most resistant to chemical decomposition due to its tough and protective structure. It acts as a barrier against external factors and helps maintain the integrity of the hair strand.
What is the externally observable part of a hair called?
The hair shaft.
What part of the hair is found on the outside of the skin?
hair shaft
What part of the hair is found outside of the skin?
the hair shaft
What are the two main divisions of the hair?
we most clean our hair nd make it
What part of the hair extends from the hair papillar to the body surface?
Hair shaft
