Topic 1.3 Representing Motion

Front

How can motion be represented?

Back

Motion can be represented by motion diagrams, figures, graphs, equations, and narrative descriptions.

Front

What are the kinematic equations for constant acceleration in one dimension?

Back

1. v = v₀ + a * t 2. x = x₀ + v₀ * t + 0.5 * a * t² 3. v² = v₀² + 2 * a * (x - x₀)

Front

What is the value of vertical acceleration due to gravity near the Earth's surface?

Back

The vertical acceleration due to gravity is approximately 10 m/s² downward.

Front

How can graphs of position, velocity, and acceleration be used?

Back

Graphs of position, velocity, and acceleration as functions of time can be used to find the relationships between those quantities.

Front

What is an object's instantaneous velocity?

Back

An object's instantaneous velocity is the rate of change of the object's position, equal to the slope of a line tangent to a point on a graph of the object's position as a function of time.

Front

What is an object's instantaneous acceleration?

Back

An object's instantaneous acceleration is the rate of change of the object's velocity, equal to the slope of a line tangent to a point on a graph of the object's velocity as a function of time.

Front

How is displacement during a time interval determined from a velocity-time graph?

Back

The displacement of an object during a time interval is equal to the area under the curve of a graph of the object's velocity as a function of time.

Front

How is the change in velocity during a time interval determined from an acceleration-time graph?

Back

The change in velocity of an object during a time interval is equal to the area under the curve of a graph of the object's acceleration as a function of time.