GCSE Physics Revision "Velocity"
Freesciencelessons・3 minutes read
Velocity is a vector quantity calculated by including direction, while motion in a circle involves constant speed but changing velocity due to the direction of movement.
Insights
- Velocity is distinct from speed as it includes both magnitude and direction, making it a vector quantity, while speed only considers magnitude.
- Motion in a circle showcases a scenario where an object maintains constant speed but experiences changing velocity due to the ever-shifting direction of movement, highlighting the dynamic nature of velocity in such cases.
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Recent questions
What is the difference between speed and velocity?
Speed is scalar, velocity is vector.
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Summary
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Velocity: Speed with Direction in Motion
- Velocity is the speed of an object in a specific direction, making it a vector quantity, unlike speed which is a scalar quantity. To calculate velocity, use the same formula as speed but also include the direction of travel.
- Motion in a circle involves constant speed but changing velocity. Even if an object moves at a constant speed in a circle, its velocity is constantly changing due to the changing direction of movement.
