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differentiate magnitude and intensity of an earthquake
Last Update: 2020-09-15
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the simplest idea of force comes from our daily expriences. in physics force is described as push or a pull and expressed in si unit newton,symbol n. one newton is equal to one kilogram.meter per second or (1n= 1kg m/s²). it has both magnitude and direction,making it a vector quantity. a force can make objects move form rest,change direction of a moving object and can make a moving object stop.when object changes its position over time,we say that the object is in motion. motion is
Last Update: 2020-10-05
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