All Flashcards
On a position-time graph, what does the slope represent?
Velocity
On a velocity-time graph, what does the slope represent?
Acceleration
On a velocity-time graph, what does the area under the curve represent?
Displacement
On an acceleration-time graph, what does the area under the curve represent?
Change in velocity
Define Kinematics.
The study of how things move, without considering why they move.
Define Position.
Where an object is located, measured in meters (m).
Define Velocity.
How fast an object is moving and in what direction, measured in meters per second (m/s).
Define Acceleration.
How much an object's velocity is changing over time, measured in meters per second squared (m/s²).
Define Free Fall.
When an object falls under the influence of gravity alone.
Define Scalar.
A quantity with magnitude only (e.g., distance, speed).
Define Vector.
A quantity with both magnitude and direction (e.g., displacement, velocity, acceleration).
What is Kinematics?
The study of motion, focusing on how things move, not why.
What is Displacement?
Change in position; a vector (magnitude and direction).
What is Velocity?
Rate of change of displacement; a vector. Speed with direction.
What is Acceleration?
Rate of change of velocity; a vector. How quickly velocity changes.
What is Speed?
Rate at which an object travels over a distance. It is a scalar quantity (magnitude only).
What is a Scalar Quantity?
Magnitude only (e.g., speed, mass, distance).
What is a Vector Quantity?
Magnitude and direction (e.g., velocity, force, displacement).