In this video of Motion Class 9 (Full Chapter) we are going to start with motion:-
Motion occurs when an object changes its position with time.
The movement of an object from one position to another position with respect to the observer is called motion. Newton’s laws of motion are three physical laws that, collectively, laid the foundation for classical mechanics in physics.
Uniforms Motion
When a body covers an equal distance in an equal interval of time, it is moving with uniform motion.
Non-uniforms Motion
When a body covers an unequal distance in an equal interval of time. it is moving with a non-uniform motion.
Both Distance and Time are important in describing motion.
Sometimes you know motion has occurred even if you didn’t see it happen.
Relative motion
When two objects are moving in a plane (either in the same direction or opposite) each has a relative motion with respect to the second. e.g. a person sitting on a train and watching a tree, in this case, the tree is stable but is assumed to be moving with respect to the train.
What is Motion in a Straight Line?
If an object changes its position with respect to its surroundings with time, then it is called in motion. It is a change in the position of an object over time. Motion in a straight line is nothing but Linear motion.
As the name suggests, it’s in a particular straight line, thus it can be said that it uses only one dimension.
All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.
MOTION FULL CHAPTER || CLASS 9 CBSE SCIENCE
Complete Detail Explanation In Simple Words.
SCALAR AND VECTOR QUANTITY, DISTANCE AND DISPLACEMENT, AVERAGE SPEED AND AVERAGE VELOCITY, ACCELERATION, AND RETARDATION, UNIFORM CIRCULATION MOTION, MOTION GRAPH, DERIVING KINEMATICAL EQUATIONS BY GRAPHICAL METHOD, DERIVATION OF KINEMATICAL EQUATIONS, EQUATIONS OF MOTION
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