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2 cards from this section. Quick, good the night before a test.
What is gravitational potential energy?
Think about lifting objects: what happens to their energy?
What formula do we use to calculate potential energy near Earth's surface?
Remember the components of the formula!
What is the formula for gravitational potential energy near Earth's surface?
Think about how much work is done lifting an object.
True or False: Gravitational potential energy can be negative.
Consider the reference point for measuring potential energy.
Calculate the potential energy of a mass of 10 kg at a distance of 1.5 Earth radii from the Earth's center.
Think about the impact of height on gravitational force.
Two objects, 10 kg and 20 kg, are separated by 5 m. Calculate their gravitational potential energy.
Pay attention to the negative sign in the gravitational formula.
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