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Transcript
CHAPTER
NEW CHAPTER
Forces
the BIG idea
Forces change the motion of objects in predictable ways.
11.1 Forces change motion.
11.2 Force and mass determine acceleration.
11.3 Forces act in pairs.
11.4 Forces transfer momentum.
CHAPTER OUTLINE
CHAPTER RESOURCES
11.1
KEY CONCEPT
CHAPTER HOME
Forces change motion.
Newton's first law
Objects at rest remain at rest, and objects in
motion remain in motion with the same velocity,
unless acted upon by an unbalanced force.
VOCABULARY
force
net force
Newton's first law
inertia
CHAPTER
RESOURCES
SECTION
OUTLINE
11.1
KEY CONCEPT
CHAPTER HOME
Forces change motion.
Newton's first law
Objects at rest remain at rest, and objects in
motion remain in motion with the same velocity,
unless acted upon by an unbalanced force.
VOCABULARY
force
net force
Newton's first law
inertia
CHAPTER
RESOURCES
SECTION
OUTLINE
11.1
KEY CONCEPT
CHAPTER HOME
Forces change motion.
Newton's first law
Objects at rest remain at rest, and objects in
motion remain in motion with the same velocity,
unless acted upon by an unbalanced force.
VOCABULARY
force
net force
Newton's first law
inertia
SIMULATION
Change the sizes and
directions of forces on
an object and predict
how it will move.
CHAPTER
RESOURCES
SECTION
OUTLINE
11.2
CHAPTER HOME
KEY CONCEPT
Force and mass determine acceleration.
Newton's second law
The acceleration of an object increases with
increased force and decreases with increased
mass, and is in the same direction as the force.
small force
VOCABULARY
Newton's second
law
centripetal force
larger force
same mass, larger force = increased acceleration
CHAPTER
RESOURCES
SECTION
OUTLINE
11.2
CHAPTER HOME
KEY CONCEPT
Force and mass determine acceleration.
Newton's second law
The acceleration of an object increases with
increased force and decreases with increased
mass, and is in the same direction as the force.
small mass
VOCABULARY
Newton's second
law
centripetal force
larger mass
larger mass, same force = decreased acceleration
CHAPTER
RESOURCES
SECTION
OUTLINE
11.2
KEY CONCEPT
CHAPTER HOME
Force and mass determine acceleration.
Newton's second law
The acceleration of an object increases with
increased force and decreases with increased
mass, and is in the same direction as the force.
VOCABULARY
Newton's second
law
centripetal force
SIMULATION
Explore Newton’s
second law.
CHAPTER
RESOURCES
SECTION
OUTLINE
11.3
KEY CONCEPT
CHAPTER HOME
Forces act in pairs.
Newton's third law
When one object exerts a force on another
object, the second object exerts an equal and
opposite force on the first object.
VOCABULARY
Newton's third law
CHAPTER
RESOURCES
SECTION
OUTLINE
11.3
KEY CONCEPT
CHAPTER HOME
Forces act in pairs.
Newton's third law
When one object exerts a force on another
object, the second object exerts an equal and
opposite force on the first object.
VOCABULARY
Newton's third law
CHAPTER
RESOURCES
SECTION
OUTLINE
11.4
KEY CONCEPT
CHAPTER HOME
Forces transfer momentum.
• Momentum is a property of a moving object.
VOCABULARY
momentum
collision
conservation of
momentum
momentum
CHAPTER
RESOURCES
SECTION
OUTLINE
11.4
CHAPTER HOME
KEY CONCEPT
Forces transfer momentum.
• Momentum is a property of a moving object.
VOCABULARY
• Forces in collisions are equal and opposite.
momentum
collision
conservation of
momentum
total momentum
momentum 1 momentum 2
forces in collision
CHAPTER
RESOURCES
SECTION
OUTLINE
11.4
CHAPTER HOME
KEY CONCEPT
Forces transfer momentum.
• Momentum is a property of a moving object.
VOCABULARY
• Forces in collisions are equal and opposite.
momentum
• Momentum is conserved in collisions.
collision
conservation of
momentum
total momentum
momentum 1
momentum 2
CHAPTER
RESOURCES
SECTION
OUTLINE
11.1
KEY CONCEPT
CHAPTER HOME
Forces change motion.
I. Forces change motion.
A. A force is a push or a pull.
VOCABULARY
force
net force
1. Types of Forces
Newton's first law
2. Size and Direction of Forces
inertia
3. Balanced and Unbalanced Forces
4. Forces on Moving Objects
B. Newton’s first law relates force and motion.
1. Galileo’s Thought Experiment
2. Newton’s First Law
3. Inertia
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
11.2
KEY CONCEPT
CHAPTER HOME
Force and mass determine acceleration.
II. Force and mass determine acceleration.
A. Newton’s second law relates force, mass,
and acceleration.
VOCABULARY
Newton's second
law
centripetal force
1. Newton’s Second Law
2. Force Equals Mass Times Acceleration
3. Mass and Acceleration
B. Forces can change the direction of motion.
1. Centripetal Force
2. Circular Motion and Newton’s Second Law
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
11.3
KEY CONCEPT
CHAPTER HOME
Forces act in pairs.
III. Forces act in pairs.
A. Newton’s third law relates action and reaction
forces.
VOCABULARY
Newton's third law
1. Action and Reaction Pairs
2. Action and Reaction Forces Versus
Balanced Forces
B. Newton’s three laws describe and predict
motion.
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
11.4
KEY CONCEPT
CHAPTER HOME
Forces transfer momentum.
IV. Forces transfer momentum.
A. Objects in motion have momentum.
B. Momentum can be transferred from
one object to another.
VOCABULARY
momentum
collision
conservation of
momentum
C. Momentum is conserved.
1. Two Types of Collisions
2. Momentum and Newton’s Third Law
CHAPTER
RESOURCES
KEY CONCEPT
SUMMARY
CHAPTER HOME
Chapter Resources
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Review key concepts and vocabulary
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