Inv3.Exp2 Vocabulary

Front

What is a geosynchronous orbit?

Back

An orbit that matches Earth's rotational period.

Front

How is velocity defined?

Back

Speed combined with direction of motion.

Front

What does eccentricity refer to in orbital mechanics?

Back

How much an orbit deviates from being circular.

Front

What does tilt measure in an optical system?

Back

The average slope of wavefront in X and Y directions.

Front

What is the definition of gravity?

Back

The universal force of attraction between matter.

Front

What is the formula for calculating velocity?

Back

Velocity = Displacement / Time.

Front

What is the significance of the speed of light in physics?

Back

It is the maximum speed at which all energy, matter, and information in the universe can travel.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is the role of mass in gravitational force?

Back

Mass is directly proportional to the gravitational force; more mass means a stronger gravitational pull.

Front

What is an example of a geostationary satellite?

Back

A satellite that remains in a fixed position relative to the Earth's surface, such as weather satellites.