Motion and Speed

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 Motion: Movement of any object from one position to another position with respect to the observer is called as Motion. Motion Along a Straight Line: When an object moves along a straight line, the motion of the object is called rectilinear motion. For example; motion of a car on highway. 

Vectors and Scalar Quantities: Vector is a quantity which has both magnitude and direction. For example, Force, position, etc. Scalar is a quantity with which direction is not associated. For example, Mass, temperature, time, etc. 

Distance: Length of path covered by a moving an object in the given time irrespective of the direction is called distance. It is a scalar quantity. Its SI unit is metre(m).

Displacement: The shortest distance measured from initial to the final position of an object is known as the displacement. It is a vector quantity.

 Uniform Motion: When an object covers equal distances in equal intervals of time, it is said to be in uniform motion. 

Non-Uniform Motion: When an object covers unequal distances in equal intervals of time, it is said to be in non-uniform motion.

 Speed (s): The distance travelled by an object in unit time is referred to as speed. Its SI unit is metre/ second (m/s). It is a scalar quantity.

Location: RWQ4+QF Pathariya, Chhattisgarh, India

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