Orbital Motion Review

Front

Which planet in our solar system will have the fastest orbital speed? Options: Venus, Earth, Saturn, Mercury

Back

Mercury

Front

The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called:

Back

Inertia

Front

As mass increases, gravity ________________.

Back

Increases

Front

As distance decreases, gravity ___________________.

Back

Increases

Front

What are the factors which combine to keep celestial bodies in orbit? Options: Air Resistance and Gravity, Gravity and Inertia, Inertia and orbital speed, Orbital speed and gravity

Back

Gravity and Inertia

Front

What did Kepler discover about planets and their orbital speed? Options: Planets closest to the Sun will orbit with the fastest orbital speed. , Planets with the greatest mass will orbit the Sun with the fastest orbital speed., Planets furthest from the Sun will orbit with the fastest orbital speed., Planets with the least mass will orbit the Sun with the fastest orbital speed.

Back

Planets closest to the Sun will orbit with the fastest orbital speed.

Front

According to Kepler’s discoveries, planets orbit around the Sun:

Back

in an ellipse.

Front

The Earth is closest to the Sun during _______.

Back

perihelion

Front

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

Back

Both areas are equal in size.

Front

What does heliocentric mean?

Back

Sun centered