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United StatesPhysics C: MechanicsQuick questions
Unit 2: Force and Translational Dynamics
Quick questions on Gravitational force - AP Physics C: Mechanics Unit 2
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
The Moon's mass is about of Earth's and its radius about . Estimate the Moon's surface as a fraction of Earth's. [3 points]
What is q2?Show answer
Explain why an astronaut in a low orbit feels weightless even though gravity there is nearly as strong as at the surface. [2 points]
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