Chapter 2 Forces in Motion. Gravity and Motion Newton’s Laws of Motion. Section 1: Gravity and Motion. All Objects Fall with the Same Acceleration
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Gravity and Motion
Newton’s Laws of Motion
--On Earth ALL OBJECTS ARE AFFECTED BY AIR RESISTANCE
BrainPop—Newton’s Laws of Motion
Newton’s First Law of Motion
Definition: An object at rest and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force
Newton’s Second Law of Motion
Definition:The acceleration of an object depends on the mass of the object and the amount of force applied.
Expressing Newton’s Second Law Mathematically
a=acceleration m=mass F=force
a= FF= m x a
See figure 16 pg. 47
Conservation of Momentum and Newton’s 3rd law