Tagged: The distance

September 16, 2015

Types of scalar physical quantity & vector physical quantity

The physical quantity is any quantity that can be determined and has a unit of measurement in our life, each physical quantity is measured in a special measurement unit, such as the mass, the...

Force & Motion

August 9, 2015

Types of speed & Factors necessary for the description of motion

The motion is the change of the object’s position (location) as the time passes according to the location of another object, The motion happens all around us, We see the objects such as the...