Physical laws, work and motion (questions)
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What is Newton’s first law of motion?
an object will remain at rest or continue moving at the same speed and in the same direction, unless an unbalances force acts upon the object.
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What is Newton’s second law of motion?
If an object experiences an unbalances force in will accelerate.
* the acceleration depends on the size of the force and the mass of an object
* the acceleration depends on the size of the force and the mass of an object
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what is Newton’s third law of motion?
forces always act in equal but opposite pairs
* for every action there is an equal but opposite pair
* for every action there is an equal but opposite pair
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How is power measured?
In watts
* 1 watt is the amount of power it takes to complete one joule of work in one second
* 1 watt is the amount of power it takes to complete one joule of work in one second
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