Gravity and Planetary Motion

Front

What is the force of gravity acting on an object called?

Back

Weight

Front

Which planets have shorter revolutions around the Sun?

Back

Inner planets

Front

Which system has the greatest gravitational attraction between two objects?

Back

System B

Front

What prevents planets from colliding with the Sun?

Back

Inertia

Front

What happens to gravity as the mass of interacting objects increases?

Back

Gravity increases.

Front

What is the term for the pull that objects exert on each other due to their mass?

Back

Gravitational force

Front

What is the term for the path that a planet takes around the Sun?

Back

Orbit

Front

What is the effect of gravity on the motion of planets?

Back

It keeps them in orbit around the Sun.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity on an object's mass.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.