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Khan Academy
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Newton's first law review (article) | Khan Academy
Review the key concepts, equations, and skills for Newton's first law of motion, including the difference between mass and weight
Khan Academy
Learn about Newton's First Law of Motion and its implications on objects in motion and at rest.
Newton's first law (practice) | Khan Academy
Check your understanding of inertial and gravitational mass in this set of free practice questions aligned to AP Physics I standards.
可汗学院 - Khan Academy
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Applying Newton's first law of motion (video) | Khan Academy
Newton's first law quiz 1. If the net force on an object is zero, its velocity won't change. (True) 2. An unbalanced force on an object will always impact the object's speed. (False) 3. Moving objects come to rest in everyday life because of unbalanced forces. (True) 4. An unbalanced force on an object will always change the object's direction ...
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Newton I. törvénye - Khan Academy
Newton I. törvénye csak inerciarendszerben érvényes. Az inerciarendszer olyan vonatkoztatási rendszer, amelyik nem gyorsul. Tehát az egyenes vonalban, állandó sebességgel haladó repülőgép kabinja inerciarendszer.