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Questions and Answers
What is the definition of motion?
What is the definition of motion?
- The change in position of an object over time (correct)
- The force exerted on an object
- The speed of an object at a specific point in time
- The distance traveled by an object in a specific direction
Which of the following is an example of uniform motion?
Which of the following is an example of uniform motion?
- A car making a sharp turn at high speed
- A car decelerating as it approaches a traffic signal
- A car traveling at a constant speed on a straight road (correct)
- A car accelerating from rest
What is the difference between speed and velocity?
What is the difference between speed and velocity?
- Speed and velocity are the same thing
- Speed is measured in kilometers per hour, while velocity is measured in meters per second
- Speed is the rate of motion, while velocity is the distance traveled
- Speed is a scalar quantity, while velocity is a vector quantity (correct)
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Study Notes
Motion and Its Types
- Definition of Motion: Motion is the change in position of an object with respect to time and its surroundings.
Types of Motion
- Uniform Motion: An object travels equal distances in equal intervals of time, e.g., a car moving at a constant speed of 60 km/h on a straight road.
Speed and Velocity
- Speed: The distance traveled by an object per unit of time, measured in units of distance per unit of time (e.g., km/h).
- Velocity: The rate of change of an object's position with respect to time, measured in units of distance per unit of time (e.g., km/h) and includes direction.
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