yeung (sy5788) HW#1 - 1D Motion hester (WVPHYSICSC2011)
This print-out should have 28 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
Remember that Homework is ALWAYS
DUE AT 9pm CALIFORNIA TI
VectorsandScalars
AP Physics C
Scalar
A SCALAR is ANY
quantity in physics that
has MAGNITUDE, but
NOT a direction
associated with it.
Magnitude A numerical
value with units.
Scalar
Example
Magnitude
Speed
20 m/s
Distance
10 m
Age
15 years
Heat
1000
calori
-Newtons Laws
-Newtons
AP Physics
Galileos Experiment with Ball
Galileos
A force is not required to keep the ball moving on a horizontal
plane.
In the absence of friction, the ball would move perpetually.
Newtons First Law
Newtons
Isaac
1st
Newton -Englan
Forces & Newtons
Forces
Identifying and defining forces
Laws Diagrams
Laws
Free Body
Gravitational Forces
Mass and weight
The Law of Inertia
The Law of Acceleration
The Law of Force-Counterforce
Normal force, Tension, and friction
The vector nature of fo
Four Major Types of
Four
Two Dimensional Motion
1. Projectile Motion
1. Projectile
2. Circular Motion
2. Circular
3. Rotational Motion
3. Rotational
4. Periodic Motion
4. Periodic
Projectile motion problems are best solved by
Projectile
treating horizonta
Slow mo balloon:
http:/www.youtube.com/watch?NR=1&v=_HNve7bekeM
How does this demonstrate Newtons 1st Law?
A little bar trick:
http:/www.metacafe.com/watch/387492/wine_glass_bartrick_dkb_movies/
The Old table cloth trick:
http:/www.metacafe.com/watch/5199
Friction is a force that oppose
motion.
Isfrictionagoodthing?
Two Groups of Friction
(1)Static frictionthefrictionalforce(resistiveforce)
thatpreventsanobjectfromstartingtomove
(2)Kinetic frictionthefrictionalforce(resistive
force)ofamovingobject
Kinetic
Kinematics
Kinematics
Conceptualquestionsfrom
Serway&Jewetts6thedition
and
Halliday,Resnick&Walker7thedition
Quick Quiz 4.1
Which of the following cannot possibly be accelerating?
(a) An object moving with a constant speed
(b) An object moving with a cons
QUICK QUIZ 3.1
(middle of section 3.3)
In most cases, the sum of the magnitudes of two vectors is
a) less than b) greater than, or c) equal to the magnitude of the
sum of two vectors?
QUICK QUIZ 3.1 ANSWER
(b). Only in the case when two vectors are parall
Chapter 2
Motion in One Dimension
Quick Quiz 2.1
Under which of the following conditions is the magnitude of
the average velocity of a particle moving in one dimension
smaller than the average speed over some time interval?
(a) A particle moves in the + x
Chapter 4
Motion in Two Dimensions
Quick Quiz 4.1
Which of the following cannot possibly be accelerating?
(a) An object moving with a constant speed
(b) An object moving with a constant velocity
(c) An object moving along a curve
Quick Quiz 4.1
Answer: (b
Chapter 3
Vectors
Quick Quiz 3.1
Which of the following are vector quantities and which are
scalar quantities?
(a) your age
(b) acceleration
(c) velocity
(d) speed
(e) mass
Quick Quiz 3.1
Answer: Scalars: (a), (d), (e). None of these quantities has a
dire
QUICK QUIZ 4.1
(end of section 4.1)
A birds eye view of a blue car traveling on a circular track is
shown below. The car speeds up so that its speed at point B is
twice its speed at point A. The average acceleration direction
between points A and B is bes
QUICK QUIZ 2.1
A car with a dripping gas tank travels along a road in a straight
line. A drop falls from the gas tank every five seconds and over a
section of road the spots from the gasoline can be used to
determine the average speed of the car. From the
yeung (sy5788) HW#2 - 2D Motion hester (WVPHYSICSC2011)
This print-out should have 36 questions.
Multiple-choice questions may continue on
the next column or page nd all choices
before answering.
REMEMBER, HOMEWORK IS DUE AT
9PM CALIFORNIA TIME! THE TIME
yeung (sy5788) HW#7Gravitation hester (WVPHYSICSC2011)
This print-out should have 11 questions.
Multiple-choice questions may continue on
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before answering.
001 10.0 points
Consider the orbit of a typical comet around
yeung (sy5788) HW#1 - 1D Motion hester (WVPHYSICSC2011)
This print-out should have 28 questions.
Multiple-choice questions may continue on
the next column or page nd all choices
before answering.
Remember that Homework is ALWAYS
DUE AT 9pm CALIFORNIA TIME
Energy
and
Energy Transfer
Introduction to Energy
Every physical process that occurs in the Universe
involves energy and energy transfers or transformations
Energy is in various forms and is not easily defined
Energy Approach to
Problems
The energy appro
Chapter 9
Linear Momentum and Collisions
Linear Momentum
The linear momentum of a particle or an object that
can be modeled as a particle of mass m moving with
a velocity v is defined to be the product of the mass
and velocity:
p=mv
is a vector quantity
LAB AND FORMAL WRITE UP GUIDELINES
LAB DAY group effort
Participation:
1- All members actively participate
2- All members are prepared for the lab, understand procedure & purpose, completed the prelab
3- All members contribute to group discussion
4- All m
yeung (sy5788) HW#5 Work-Energy hester (WVPHYSICSC2011)
This print-out should have 17 questions.
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before answering.
001 10.0 points
Five ramps lead from the ground to the seco
LAB 1. ELASTIC & INELASTIC COLLISIONS
Question: Is momentum conserved in elastic and inelastic collisions? is kinetic energy conserved?
System: 2 cars only
Elastic equal mass
Elastic unequal mass
Inelastic equal mass
Inelastic unequal mass
LAB 2: Ballisti
yeung (sy5788) HW#6 Rotational motion hester (WVPHYSICSC2011)
This print-out should have 24 questions.
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before answering.
001 10.0 points
The rigid body shown in the diagram a
QUICK QUIZ 5.1
(end of section 5.3)
You and your friend have been working on the railroad the entire day,
using sledge hammers to drive spikes into the railroad ties. Because you are both
tired, you try to find a method that will make the job easier. Your
QUICK QUIZ 6.1
(beginning of section 6.1)
On a Ferris wheel, you travel at a constant speed in a circle in a
vertical plane. The relationship between the magnitudes of the
normal force of the seat on you when you are at the top, n t, at the
bottom, nb, or
Chapter 12
Static Equilibrium and
Elasticity
Quick Quiz 12.1
Consider the object subject to the two forces in the figure
below. Choose the correct statement with regard to this
situation.
(a) The object is in force
equilibrium but not torque
equilibrium.
Chapter 6
Circular Motion and
Other Applications of
Newton's Laws
Quick Quiz 6.1a
You are riding on a Ferris wheel that is rotating with
constant speed. The car in which you are riding always
maintains its correct upward orientation - it does not invert.
Chapter 5
The Laws of Motion
Quick Quiz 5.1
Which of the following statements is most correct?
(a) It is possible for an object to have motion in the absence
of forces on the object.
(b) It is possible to have forces on an object in the absence
of motion
yeung (sy5788) HW#3 - Forces I hester (WVPHYSICSC2011)
This print-out should have 33 questions.
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before answering.
4.
1
friction
weight
force
001 (part 1 of 2) 10.0 points
A b