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If the speed of a straight-line moving object changes, its speed is called _______.
- a)Changed
- b)Nonlinear
- c)accelerated
- d)Linear
- e)None of the above/More than one of the above
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
If the speed of a straight-line moving object changes, its speed is ca...
- If the speed of a straight-line moving object changes, its speed is called accelerated.
Speed:
- The rate of change of position of an object in any direction.
Important Points
- There are four types of speed and they are:
- Uniform speed
- Variable speed
- Average speed
- Instantaneous speed
- Uniform speed:
- An object is said to be at a uniform speed when the object covers an equal distance in equal time intervals.
- Variable speed:
- An object is said to be at variable speed when the object covers a different distance at equal intervals of time.
- Average speed:
- Average speed is defined as the uniform speed which is given by the ratio of the total distance traveled by an object to the total time taken by the object.
- Instantaneous speed:
- When an object is moving with variable speed, then the speed of that object at any instant of time is known as instantaneous speed.
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If the speed of a straight-line moving object changes, its speed is ca...
Acceleration of a Moving Object
Acceleration is the term used to describe the change in speed of a moving object. When an object's speed changes, it is said to be accelerating. Here is a detailed explanation of why the correct answer is option 'C' - accelerated:
Definition of Acceleration
- Acceleration is the rate at which an object's velocity changes over time. It can be either an increase or decrease in speed.
Causes of Acceleration
- Acceleration can be caused by various factors such as a change in the object's direction, an increase or decrease in the object's speed, or both.
Units of Acceleration
- The standard unit of acceleration is meters per second squared (m/s^2) in the metric system. In the imperial system, it is typically measured in feet per second squared (ft/s^2).
Calculating Acceleration
- Acceleration can be calculated using the formula:
Acceleration = (Change in Velocity) / (Time taken)
Types of Acceleration
- There are two main types of acceleration:
1. Positive acceleration: When an object's speed increases.
2. Negative acceleration (deceleration): When an object's speed decreases.
Real-life Examples
- Examples of acceleration in everyday life include a car speeding up or slowing down, a ball being thrown upwards, or a cyclist pedaling faster.
Conclusion
- In conclusion, when the speed of a straight-line moving object changes, it is said to be accelerating. Acceleration is a fundamental concept in physics that helps us understand how objects move and change their speed over time.
Acceleration is the term used to describe the change in speed of a moving object. When an object's speed changes, it is said to be accelerating. Here is a detailed explanation of why the correct answer is option 'C' - accelerated:
Definition of Acceleration
- Acceleration is the rate at which an object's velocity changes over time. It can be either an increase or decrease in speed.
Causes of Acceleration
- Acceleration can be caused by various factors such as a change in the object's direction, an increase or decrease in the object's speed, or both.
Units of Acceleration
- The standard unit of acceleration is meters per second squared (m/s^2) in the metric system. In the imperial system, it is typically measured in feet per second squared (ft/s^2).
Calculating Acceleration
- Acceleration can be calculated using the formula:
Acceleration = (Change in Velocity) / (Time taken)
Types of Acceleration
- There are two main types of acceleration:
1. Positive acceleration: When an object's speed increases.
2. Negative acceleration (deceleration): When an object's speed decreases.
Real-life Examples
- Examples of acceleration in everyday life include a car speeding up or slowing down, a ball being thrown upwards, or a cyclist pedaling faster.
Conclusion
- In conclusion, when the speed of a straight-line moving object changes, it is said to be accelerating. Acceleration is a fundamental concept in physics that helps us understand how objects move and change their speed over time.
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If the speed of a straight-line moving object changes, its speed is called _______.a)Changedb)Nonlinearc)acceleratedd)Lineare)None of the above/More than one of the aboveCorrect answer is option 'C'. Can you explain this answer?
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