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4 cards from this section. Quick, good the night before a test.
What is gravitation?
Think about how objects interact with each other due to their masses.
What do tides result from?
Consider what celestial bodies affect Earth's water.
What keeps planets in orbit around the sun?
Think about the forces involved in celestial motions.
True or False: Tides are only caused by the gravitational pull of the sun.
Remember the role of the moon in tides.
If the mass of the Earth is approximately 5.97 × 10²⁴ kg and the gravitational pull is 9.8 m/s², calculate the weight of an object that has a mass of 50 kg on Earth's surface.
Use the weight formula: W=mg to find the answer.
Discuss how the gravitational pull on Earth changes as you travel to the top of Mount Everest (8,848 m). What would be the effect on weight?
Consider the relationship between altitude and gravitational force.
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