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Volume, Weight and Mass Lecture

Volume, Weight and Mass Lecture. 1. All matter occupies space (volume) and has mass A. Volume : occupies space : example? it is the third dimension 1. solids : right angles shapes : l x w x ht m x m x m = m 3 (what dimension/why?)

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Volume, Weight and Mass Lecture

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  1. Volume, Weight and Mass Lecture

  2. 1. All matter occupies space (volume) and has mass A. Volume: occupies space: example? it is the third dimension 1. solids: right angles shapes : l x w x ht m x m x m = m3 (what dimension/why?) irregular shape : water displacement: ? unit is the Liter: why? how do you convert m3 to Liters, what’s the conversion formula? 2. liquids: unit is the liter use a graduated cylinder measure at the bottom of the meniscus

  3. 2. Mass: What is the English unit for Mass? What is the metric unit for mass? What is the English unit for weight? What is the metric unit for weight?

  4. This means weight is a different measure than mass This also means that the Newton is a measure of two things: 1. weight (N) 2. force (F = M x A) (Isaac Newton lived during 1665 in London, during the plague)

  5. A. Mass -is a measure of the amount of matter in amu (atoms: # amu) of the object B. Weight -is a measure (in Newtons) of themass of the object and -the amount of gravity(its force) acting on the object - are people on the moon really weightless?

  6. C. weight (N) = mass x acceleration - so, how much does 1kg of mass weigh on Earth? - weight = 1kg x 9.8 m/s2 - so it is 9.8N, because the acceleration of gravity on Earth for all objects is 9.8m/s2 and weight is always in Newtons: Galileo’s experiment! - if we were on the moon, would we weigh less or more, why?

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