The mass of a small dog called Spot is 30 kg on Earth. His mass doesn't change on the moon.Does Spot's mass change after he chases a car for 5 km? Explain your answer.
Answers
Answer:
no he dies while on moon cause there is no oxygen
Explanation:
If a person weighs 30 kg on earth, then what will be his weight on the moon?
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Chinmay Rangnekar
Answered 8 months ago
Well first of all as after amending your question it's not actually your weight it's your mass which is 30kg
Weight- It is the force exerted by earth on a certain mass due to gravitational force
whereas
MASS- It is the actual matter in your body or in a object which occupies space
Now let's calculate the force exerted on your body by Earth's gravitational force i.e weight
As weight is a force therefore weight = ma but here acceleration is replaced by acceleration due to gravity of specific body of which weight is required cause the force which is exerted on us is only due to acceleration created by the gravitational force of that specific body so it's replace by g(acceleration due to gravity) hence finalized formula is weight=mxg
Now as you know, Weight = mass X acceleration due to gravity of earth
Hence your
weight=30X9.8=294N
Now if concerned with moon it has less gravitational force compared to earth your weight will be decreased but the mass will remain constant
acceleration due to gravity of moon is 1.6 m/s^2
Hence again using weight formule i.e weight =mg
Hence your weight on moon will be
weight=30X1.6=48N