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Fun Video: Motion in a Straight Line Video Lecture | Science Class 9

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FAQs on Fun Video: Motion in a Straight Line Video Lecture - Science Class 9

1. What is motion in a straight line?
Ans. Motion in a straight line refers to the movement of an object along a straight path. It occurs when the object's displacement is in the same direction as its velocity.
2. How is the position of an object represented in motion in a straight line?
Ans. The position of an object in motion in a straight line is represented by its distance from a reference point or origin. It can be measured in terms of units such as meters or kilometers.
3. What is the difference between distance and displacement in motion in a straight line?
Ans. Distance refers to the total length covered by an object in motion, regardless of its direction. Displacement, on the other hand, is the shortest distance between the initial and final positions of the object, considering both magnitude and direction.
4. What are the different types of motion in a straight line?
Ans. There are three types of motion in a straight line - uniform motion, non-uniform motion, and accelerated motion. Uniform motion occurs when an object covers equal distances in equal intervals of time. Non-uniform motion occurs when an object covers unequal distances in equal intervals of time. Accelerated motion occurs when an object's velocity changes with time.
5. How is speed related to motion in a straight line?
Ans. Speed is a scalar quantity that measures how fast an object is moving in a particular direction. It is calculated by dividing the distance covered by the time taken. In motion in a straight line, speed is used to describe the rate at which an object is moving along the straight path.
80 videos|352 docs|97 tests
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