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.
Feet smell when bacteria on the skin break down sweat as it comes from the pores. A cheesy smell is released as the sweat decomposes. The main causes of sweaty and smelly feet are: 1  Wearing the same shoes every day. 2  Feet become smelly if sweat soaks into the shoes and you wear them again before they are dry.