It is a vector. A scalar has only magnitude. A vector has magnitude and direction. Acceleration is a vector because it has magnitude and direction. That's why an object can be said to be accelerating if it has a circular rotation and a constant speed; even though it's speed isn't changing, it's direction constantly is.ass is a scalar quantity because it doesn't have direction. Acceleration is a vector quantity because it has both magnitude and direction.
1. Exogenous Causes. 1  Dry Skin is the most common and obvious cause of itchy soles of the feet. 2  Contact Dermatitis is a skin reaction, which results from the exposure to allergens or irritants, such as certain soaps, cosmetics, detergents or even some plants, such as poison ivy.
Dry feet are generally a symptom of another problem, and if you have dry feet you may experience additional symptoms such as: 1  Itchiness. 2  Redness. 3  Cracks in the feet (fissures). 4  Rough skin. 5  Flaky skin. 6  Peeling skin. 7  Rash (usually brought on by itching).any of the treatment methods mentioned above can also be used to prevent dry skin on your feet. Here are some tips to help you avoid this condition: 1  Talk to your doctor about over-the-counter lotions, creams, and moisturizers to help you manage the dryness. 2  Do not rub or scratch the affected area.