Flashcards
Force and laws of motion
Flashcards do conjunto (5)
- 1What was believed until Gallieo Galilei and Isaac newton developed an entirely different approach to understand motion? Which observation suggested it?A ball on the ground, when given a small hit, does not live forever. Such observations suggest that rest is the natural state of an object. This remained the belief until Galileo Galilei and Isaac Newton developed an entirely different approach to understand motion.
- 2What do we observe in our everyday life?In our everyday life, we observe that some effort is required to put a stationary object into motion or to stop a moving object.
- 3How do we humans ordinarily experience that an effort is required to put a stationary object into motion or to stop a moving object?We humans ordinarily experience that an effort is required to put a stationary object into motion or to stop a moving object as a muscular effort and say that we must push or hit or pull on an object to change its state of motion .
- 4What does the pictures suggest?The trolley moves along the direction we push it.
- 5What does this picture suggest?The drawer is pulled along the direction we pull it.
Informações
- Descrição
- Why does the speed of an object change with time? Do all motion require a cause? If so, what is the need to of this cause ? In this set of flash cards we shall make an attempt to quench all such curiosities.
- Criado por
- Muskaan Hossain
- Visualizações
- 47
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