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Speed

Speed is a very important concept in physics to explain one of the most important characteristics of moving objects.

Velocity tells us more about things that we need to know about motion

Acceleration has a direction

Is there a force acting on an object moving in a circle? Take the quiz to know it

important definitions related to Newton's Laws of Motion

Does gravity act as a force on objects? Take the quiz and know more

Mass and Weight

Is mass different from weight? Take this quiz and test your knowledge

Mass and Inertia: Newton's First Law

Take this self-test to review important knowledge of Newton's Laws of Motion