U4T1: Rotation, Revolution and Gravity

Front

What two things determine the gravity of an object?

Back

Mass and distance.

Front

When will the forces of gravity between two objects be the GREATEST?

Back

When the masses of both objects are large and the objects are close together.

Front

We live in the ___________ .

Back

Northern hemisphere.

Front

This movement of Earth is completed in 24 hours.

Back

Rotation.

Front

Which statement about gravity is true?

Back

Gravity causes objects to pull towards one another.

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis, while revolution is the movement of one object around another.

Front

How long does it take for the Earth to revolve around the Sun?

Back

Approximately 365 days.

Front

What is the effect of distance on gravity?

Back

The greater the distance between two objects, the weaker the gravitational pull between them.

Front

What is the shape of Earth's orbit around the Sun?

Back

An ellipse.