Class 9 Exam > Class 9 Questions > Acceleration is a vector quantity which indic...
Start Learning for Free
Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero?
Most Upvoted Answer
Acceleration is a vector quantity which indicates that iits value A) c...
Note that the average acceleration canbe positive, negative, or zero. Anegative acceleration is simply anacceleration in the negative direction. Keep in mind that althoughacceleration points in the same direction as the change in velocity, it is not always in the direction of the velocity itself..
Community Answer
Acceleration is a vector quantity which indicates that iits value A) c...
Acceleration is a vector quantity which indicates that its value can be positive and negative and zero.
Explanation:
Acceleration is defined as the rate of change of velocity with respect to time. It is a vector quantity because it has both magnitude and direction. The magnitude of acceleration represents how fast an object's velocity is changing, and the direction of acceleration indicates the direction in which the object is accelerating.
Positive Acceleration:
When an object is speeding up, its velocity is increasing in the same direction as its initial velocity. In this case, the acceleration is positive. For example, when a car moves forward and its speed increases, the acceleration is positive.
Negative Acceleration (Deceleration):
When an object is slowing down, its velocity is decreasing in the opposite direction to its initial velocity. In this case, the acceleration is negative. Negative acceleration is often referred to as deceleration. For example, when a car moves forward and its speed decreases, the acceleration is negative.
Zero Acceleration:
Zero acceleration occurs when an object's velocity remains constant. This means that there is no change in the object's speed or direction. When the acceleration is zero, the object is said to be moving at a constant velocity. For example, if a car is traveling at a constant speed of 60 mph in a straight line, its acceleration is zero.
Conclusion:
In conclusion, acceleration is a vector quantity because it has both magnitude and direction. Its value can be positive (when an object is speeding up), negative (when an object is slowing down), or zero (when an object is moving at a constant velocity). The sign of acceleration indicates the direction of change in velocity, while the magnitude represents the rate at which the velocity is changing.
Explanation:
Acceleration is defined as the rate of change of velocity with respect to time. It is a vector quantity because it has both magnitude and direction. The magnitude of acceleration represents how fast an object's velocity is changing, and the direction of acceleration indicates the direction in which the object is accelerating.
Positive Acceleration:
When an object is speeding up, its velocity is increasing in the same direction as its initial velocity. In this case, the acceleration is positive. For example, when a car moves forward and its speed increases, the acceleration is positive.
Negative Acceleration (Deceleration):
When an object is slowing down, its velocity is decreasing in the opposite direction to its initial velocity. In this case, the acceleration is negative. Negative acceleration is often referred to as deceleration. For example, when a car moves forward and its speed decreases, the acceleration is negative.
Zero Acceleration:
Zero acceleration occurs when an object's velocity remains constant. This means that there is no change in the object's speed or direction. When the acceleration is zero, the object is said to be moving at a constant velocity. For example, if a car is traveling at a constant speed of 60 mph in a straight line, its acceleration is zero.
Conclusion:
In conclusion, acceleration is a vector quantity because it has both magnitude and direction. Its value can be positive (when an object is speeding up), negative (when an object is slowing down), or zero (when an object is moving at a constant velocity). The sign of acceleration indicates the direction of change in velocity, while the magnitude represents the rate at which the velocity is changing.
Attention Class 9 Students!
To make sure you are not studying endlessly, EduRev has designed Class 9 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 9.
|
Explore Courses for Class 9 exam
|
|
Similar Class 9 Doubts
Top Courses for Class 9View all
Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero?
Question Description
Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero?.
Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero?.
Solutions for Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? in English & in Hindi are available as part of our courses for Class 9.
Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.
Here you can find the meaning of Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? defined & explained in the simplest way possible. Besides giving the explanation of
Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero?, a detailed solution for Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? has been provided alongside types of Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? theory, EduRev gives you an
ample number of questions to practice Acceleration is a vector quantity which indicates that iits value A) can be positive and negative and zero B) is always positive C) is always negetive D) is zero? tests, examples and also practice Class 9 tests.
|
|
Explore Courses for Class 9 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup