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 skin, usually the culprit behind cracked heels, commonly appears on such areas of the feet as the soles and heels. Shop Now. Causes: The best way to treat and also prevent dry, cracked skin on your feet is to use good therapeutic ointments and creams.Avoid using lotions, as these often contain alcohol, which actually dries the skin out more. Dry skin can result from a variety of reasons: 1  Age.2  Improperly fitting shoes. 3  Athlete's foot.4  Psoriasis.he best way to treat and also prevent dry, cracked skin on your feet is to use good therapeutic ointments and creams. Avoid using lotions, as these often contain alcohol, which actually dries the skin out more. Dry skin can result from a variety of reasons: 1  Age. 2  Improperly fitting shoes.