Lesson 12 of 15
Checkpoint: weight, mass and upthrust
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A balance has big marks 2 N apart. The gap is split into 8 equal spaces. What is the smallest reading?
A 4 kg block is taken from the Earth to the Moon. What happens to its mass?
An object weighs 6 N. Held fully under water, it feels an upthrust of 9 N. It is let go. What happens?
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