A Mass M Is Placed on a Rough Incline at an Angle

question 53

Multiple Choice

A mass m is placed on a rough incline at an angle $\theta$ to the horizon. A force F is applied up the incline so that the mass slides up the incline. Using the compass rose, the direction of the frictional force is along

• A) (a)
• B) (b)
• C) (c)
• D) (d)
• E) (e)

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Definitions:

Melanin Production

The process by which cells known as melanocytes produce melanin, a pigment that colors the skin, hair, and eyes.

Thick Skin

Skin type found in areas like the palms and soles, characterized by a thicker epidermis and lacking hair follicles.

Stratum Lucidum

A thin, transparent layer of the epidermis located between the stratum granulosum and stratum corneum, found only in certain areas like the palms and soles.

Keratinocytes

The primary type of cell found in the epidermis, responsible for the formation of the protective outer layer of skin.