Natural Science CLEP Prep Practice Exam

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Prepare for the CLEP Natural Science Exam with our comprehensive study materials and practice questions. Test your knowledge and ace the exam by mastering key concepts.

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What force keeps the moon in orbit around the Earth?

Electromagnetic
Gravitational
Frictional
Angular

The correct answer is: Gravitational

Gravitational force is the force that keeps the moon in orbit around the Earth. This is because every object with mass exerts a gravitational force on other objects with mass. The Earth's mass creates a gravitational field around it, which the moon is affected by. The other options are incorrect because A: Electromagnetic force refers to the attraction or repulsion between charged particles, which is not responsible for the moon's orbit. C: Frictional force is a force that resists motion between two surfaces, but this force does not operate in space. D: Angular force is not a specific type of force, rather it is a measurement of the rotation of an object. While the moon is in constant motion, it is not rotating on an axis like other objects. Therefore, the only suitable force for keeping the moon in orbit around the Earth is gravitational force.