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3 cards from this section. Quick, good the night before a test.
What is the SI unit of mass?
Think about what unit we measure weight in.
Does mass change if you travel to the Moon?
Consider what mass means.
What is the SI unit of weight?
Consider what weight represents.
True or False: Mass changes if you move from Earth to another planet.
Think about the definition of mass.
A spacecraft has a mass of 2000 kg. Calculate its weight on Earth, on Mars (g = 3.71 m/s²), and on Jupiter (g = 24.79 m/s²).
Use W = mg for each planet's gravitational pull.
How would the weight of an object with mass 70 kg change if we measure it at the poles versus the equator?
Remember that weight is stronger at the poles due to Earth’s shape.
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