Understanding Earth's Rotation and Its Effects

What is the approximate speed of Earth's rotation at the equator?

• 2,000 miles per hour

• 500 miles per hour

• 1,500 miles per hour

• 1,000 miles per hour

Why don't we feel the Earth's rotation?

• Because the Earth is not actually rotating

• Because we are moving at a constant speed along with the Earth

• Because the Earth's rotation is too slow to notice

• Because the Earth's atmosphere blocks the sensation

What does the law of inertia state?

• Objects at rest will start moving on their own

• Objects in motion will eventually stop on their own

• Objects at rest will always remain at rest

• Objects in motion will stay in motion unless acted upon by an external force

What force keeps us from flying off the Earth's surface?

• Centripetal force

• Frictional force

• Magnetic force

• Centrifugal force

What is the fictitious force that seems to push objects outward in a rotating system?

• Electromagnetic force

• Centripetal force

• Gravitational force

• Centrifugal force