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.
1 Cracked skin of the feet is usually due to excessive and repeated exposure to wetness. 2  The main cause is frequently wearing wet (or sweaty) socks. 3  Swimmers also have this problem. 4  The soles of the feet are commonly involved, especially the heels and big toes. 5  This is sometimes called tennis shoe or sneaker dermatitis.