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4 cards from this section. Quick, good the night before a test.
What is the gravitational constant (G)?
Look for a constant related to gravitational calculations.
What does gravitational potential measure?
Think about the work done against gravity.
What is the formula for gravitational force?
Look for the formula that includes gravitational constant G.
True or False: Gravitational potential is always positive.
Do you recall what happens when moving away from a mass?
If a satellite orbits Earth at a height where the radius of orbit is 2R (twice the Earth's radius), calculate the gravitational force acting on it if its mass is 500 kg.
Remember, you need to account for the total distance from Earth's center to the satellite.
Calculate how much work it would take to move a mass of 100 kg from the Earth's surface to an altitude of 10 km, considering gravitational potential.
Use the potential energy formula for work done against gravity.
4 more questions in this section. Enroll free to practise them all.
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