8296586
Beschreibung
Karteikarten von Tia Lander, aktualisiert more than 1 year ago
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Erstellt von Tia Lander
vor mehr als 7 Jahre
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| Frage | Antworten |
| What is linear motion? | Movement where all parts of an object travel the same distance in the same direction at the same time |
| What is a scalar quantity? | Something that is only considered in terms of size or magnitude |
| What is a vector quantity? | Something considered in terms of both magnitude and direction |
| Give 3 examples of scalar quantities | 1. Speed 2. Distance 3. Mass |
| Give 6 examples of vector quantities | 1. Velocity 2. Acceleration 3. Weight 4. Momentum 5. Displacement 6. Impulse |
| Define speed and how it is calculated | A body's movement per unit of time. Distance ➗time = speed (m/s) |
| Define velocity and how it calculated | The speed of a body in a given direction Displacement ➗ time = velocity (m/s) |
| Define acceleration and how it is calculated | The rate of change in velocity Velocity ➗ time = acceleration (m/s^2) |
| Define mass | The quantity of matter that a body possesses (Kg) |
| Define weight and how it is calculated | The force of gravity exerted on the mass of a body Mass ✖️ gravity = weight (newtons) |
| Define distance and how it is calculated | The measure of a path travelled by an object Speed ✖️ time = distance (m) |
| Define displacement | The shortest possible route from A to B in s straight line |
| Define momentum and how it is calculated | The amount of motion a body possesses Mass ✖️velocity = momentum (Kgms) |
| Define impulse and how it is calculated | The length of time a force is applied to an object, relating to a change in momentum Force ✖️time |
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