Vectors have both magnitude and direction, while scalars only have magnitude. Common vectors include displacement, velocity, and force. Vectors can be added and subtracted graphically by placing the tail of one vector at the head of another, with the resultant vector running from the tail of the first to the head of the last. Multiplying or dividing a vector by a scalar does not change its direction.
Basics of Kinematics (Scalar Vector) Sindh Board PhysicsTalal Khan
Chapter 03 Kinematics of Linear Motion (Basics) Lec-11
Learning Objectives
Review
Concept of Scalar and Vector
Distance and Displacement
Speed and Velocity
Home Task
Scalar Quantities The physical quantities, which are completely specified by their magnitude only, are called scalar quantities. For example, mass, time, distance, speed, work, energy, temperature, charge etc.
Vector Quantities The physical quantities, which are completely specified by their magnitude and direction both, are known as vector quantities. For example, displacement, velocity acceleration, force, momentum, torque etc.
Distance A Scalar Physical quantity which is defined as the length between any two points.
Displacement A Vector Physical Quantity defined as the shortest distance between two points.
Speed The speed is the ratio of the distance travelled by the body to the time taken for the travel. It is a scalar quantity. Mathematically it is written as v=푆/푡 Where v= speed, S= total distance & t= time taken
Example. A motor cyclist covers 150 m in 10 seconds. Find the speed of the motor cyclist Data. S= 150m t=10sec v=? Solution. v=푆/푡
Home Task
Write the Definitions of scalar, vector, distance, displacement, speed and its problems
Thank You For Your Cooperation
You can find this presentation on Slideshare.com “Basics Kinematics (Scalar Vector)”
Basics of Kinematics (Scalar Vector) Sindh Board PhysicsTalal Khan
Chapter 03 Kinematics of Linear Motion (Basics) Lec-11
Learning Objectives
Review
Concept of Scalar and Vector
Distance and Displacement
Speed and Velocity
Home Task
Scalar Quantities The physical quantities, which are completely specified by their magnitude only, are called scalar quantities. For example, mass, time, distance, speed, work, energy, temperature, charge etc.
Vector Quantities The physical quantities, which are completely specified by their magnitude and direction both, are known as vector quantities. For example, displacement, velocity acceleration, force, momentum, torque etc.
Distance A Scalar Physical quantity which is defined as the length between any two points.
Displacement A Vector Physical Quantity defined as the shortest distance between two points.
Speed The speed is the ratio of the distance travelled by the body to the time taken for the travel. It is a scalar quantity. Mathematically it is written as v=푆/푡 Where v= speed, S= total distance & t= time taken
Example. A motor cyclist covers 150 m in 10 seconds. Find the speed of the motor cyclist Data. S= 150m t=10sec v=? Solution. v=푆/푡
Home Task
Write the Definitions of scalar, vector, distance, displacement, speed and its problems
Thank You For Your Cooperation
You can find this presentation on Slideshare.com “Basics Kinematics (Scalar Vector)”
This presentation explains vectors and scalars, their methods of representation, their products and other basic things about vectors and scalars with examples and sample problems.
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