Force and Motion Theory Explained
Explore key concepts in force and motion, including Newton's laws and inertia. Learn about gravitational force, action and reaction forces, mass, and more. Enhance your knowledge with visuals and explanations to grasp the fundamentals effectively.
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Presentation Transcript
Force and Motion Vocabulary 5.3 You will need 10 Index Cards/Week 3
CCGPS S8P5a. Recognize that every object exerts gravitational force on every other object and that the force exerted depends
Newtons First Law of Motion States that an object at rest will remain at rest, and an object at a constant velocity will continue moving at a constant velocity, unless it is acted on by an unbalanced force. An object at rest will stay at rest, an object in motion will stay in motion unless acted on by a force. https://www.youtube.com/watch?v=LEHR8YQNm _Q
Inertia The tendency of an object to resist a change in motion.
Newtons Second Law of Motion Acceleration depends on the object s mass and on the net force acting on the object. https://www.youtube.com/wat ch?v=ZvPrn3aBQG8
Newtons Third Law of Motion States that if one object exerts force on another object, then the second object exerts a force of equal strength in the opposite direction on the first object. For every action there is an equal but opposite reaction. https://www.youtube.com/watch?v=EgqcGr B3re8
Action Force The force acting in one direction.
Reaction Force The force acting in the opposite direction.
Normal Force The normal force is the support force exerted upon an object that is in contact with another stable object. For example, if a book is resting upon a surface, then the surface is exerting an upward force upon the book in order to support the weight of the book.
Mass (F=MA) A measure of how much matter is in an object. The basic unit of measurement for mass is the kilogram. F=MA Force equals Mass x Acceleration
Momentum The product of an object s mass and velocity. Momentum = Mass x Velocity https://www.youtube.com/watch?v=y 2Gb4NIv0Xg
Law of Conservation of Momentum The rule that in the absence of outside forces, the total momentum of objects that interact does not change. The amount of momentum is the same before and after interaction.
T.O.T.D. If an object s momentum depends on velocity and mass, explain the following: If both dogs have the same velocity, which one has the greater momentum? Dog 1 Dog 2
TOTD Part 2 According to Newton s Third Law, how are action and reaction forces related?
TOTD Part 3 Explain what would happen, using Newton s Law, if you tried to catch a ball while wearing roller skates.
