Please make a flow chart of class 9 physics chapter :- Motion
Answers
Answer:
Important topics of Motion (class 9):
☯ An object is said to be in motion when its position changes with time.
☯ We describe the location of an object by specifying a reference point. Motion is relative. The total path covered by an object is said to be the distance travelled by it.
☯ The shortest path/distance measured from the initial to the final position of an object is known as the displacement.
☯ Uniform motion: When an object covers equal distances in equal intervals of time, it is said to be in uniform motion.
☯ Non-uniform motion: Motions where objects cover unequal distances in equal intervals of time.
☯ Speed: The distance travelled by an object in unit time is referred to as speed. Its unit is m/s.
☯ Average speed: For non-uniform motion, the average speed of an object is obtained by dividing the total distance travelled by an object by the total time taken.
☯ Velocity is the speed of an object moving in definite direction. S.I. unit is m/s.
☯ Acceleration: Change in the velocity of an object per unit time.
☯ Graphical representation of motions
(i) Distance-time graph
For a distance-time graph time is taken on x-axis and distance is taken on y-axis.
☯ Uniform circular motion: When a body moves in a circular path with uniform speed, its motion is called uniform circular motion.
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Answer:
Important topics of Motion (class 9):
☯ An object is said to be in motion when its position changes with time.
☯ We describe the location of an object by specifying a reference point. Motion is relative. The total path covered by an object is said to be the distance travelled by it.
☯ The shortest path/distance measured from the initial to the final position of an object is known as the displacement.
☯ Uniform motion: When an object covers equal distances in equal intervals of time, it is said to be in uniform motion.
☯ Non-uniform motion: Motions where objects cover unequal distances in equal intervals of time.
☯ Speed: The distance travelled by an object in unit time is referred to as speed. Its unit is m/s.
☯ Average speed: For non-uniform motion, the average speed of an object is obtained by dividing the total distance travelled by an object by the total time taken.
☯ Velocity is the speed of an object moving in definite direction. S.I. unit is m/s.
☯ Acceleration: Change in the velocity of an object per unit time.
☯ Graphical representation of motions
(i) Distance-time graph
For a distance-time graph time is taken on x-axis and distance is taken on y-axis.
☯ Uniform circular motion: When a body moves in a circular path with uniform speed, its motion is called uniform circular motion.
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