Physics 101 Hour Exam 3 December 1, 2014
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Physics 101 Hour Exam 3
December 1, 2014
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This is a
Physics 101 Hour Exam 2 November 3, 2014
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This is a
Physics 101.
Last Name:
Discussion Section:
Hour Exam 3
First Name
Discussion TA Name:
Summer 2010
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Instructions
Turn off your cell phone and put it away.
Calculators may not be shared. Please keep yours on your own desk.
This is a closed book exam
Physics 101: Lecture 06
Exam I
Two Dimensional Kinematics
Physics 101: Lecture 6, Pg 1
Brief Review Thus Far
Newtons Laws of motion
Kinematics
Dynamics
Today we work in 2 Dimensions!
Physics 101: Lecture 6, Pg 2 05
y
2-Dimensions
x
X and Y are
INDEPENDEN
Exam 3
Physics 101: Lecture 13
Rotational Kinetic Energy
and Inertia
Physics 101: Lecture 13, Pg 1
Rotational Inertia, I
Tells how difficult it is get object spinning. Just
like mass tells you how difficult it is to get
object moving.
Fnet= m a Linear Mot
Lecture 14:
Rolling Objects
Rotational Dynamics
Rolling Objects and Conservation of Energy
Examples & Problem Solving
Rotational Form Newtons 2nd Law
= I
Torque is an amount of twist provided by a force
Sign: positive = CCW
Moment of Inertia is like ma
Exam 3
Physics 101: Lecture 14
Torque and Equilibrium
Exam2HelpSessionTomorrow910AM144Loomis
Physics 101: Lecture 14, Pg 1
Torque
WhatexactlyistorqueinnormalEnglish?
Rotational effect of force. Tells how
effective force is at twisting or rotating
an objec
Lecture 12:
Collisions and Explosions
Momentum Examples!
Problem Solving
Collisions (elastic & inelastic)
Explosions
Impulse and Momentum:
quick review
Momentum-Impulse Theorem
Ft I = pf - pi = p
For single object.
If F = 0, then momentum conserved (p = 0
Lecture 11:
Momentum and Impulse
ConservationofMomentum
Impulse&Momentum
Conservation of Momentum
Momentum is Conserved meaning it
cannot be created nor destroyed!
Momentum can be transferred.
Total Momentum does not change with time.
This is a BIG deal!
Physics 101
Last Name:
Discussion Section:
Exam Room
Hour Exam II
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_Seat Number
Fall 2012
Network-ID
InstructionsTurn off your cell phone and put it away.
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This
Geog 204
Midterm I Study Guide
The exam will consist of 14 multiple choice questions (3 points each) and 4 short
answer questions (about 8 points each). A Scantron form is not necessary. You can
bring one sh
Physics 101 Hour Exam 1 October 6, 2014
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Discussion Sectio. . . Discussion TA Name:
Instructions~Turu off your cell phone and put it away.
Calculators cannot be shared. Please keep yours on your own desk.
This is a closed book exam.
Final
Physics 101: Lecture 27
Thermodynamics
Todays lecture will cover Textbook Chapter 15.1-15.6
Check your grades in grade book!
Physics 101: Lecture 27, Pg 1
First Law of Thermodynamics
Energy Conservation
The change in internal energy of a system (DU)
Lecture 02:
Forces & 2-D Statics
Springs
Tension
2-D Statics Examples
Contact Force: Springs
Force exerted by a spring: Fspring = k*x
The greater the compression or extension of the
spring, the greater the force.
The greater the spring constant (a charact
Welcome to Physics 101!
Lecture 01: Introduction to Forces
Newtons Laws
Forces
Free Body Diagrams
Newtons 1st Law of Motion
If the sum of all external forces on an object is zero, then its
speed and direction will not change. (Know as the Law of
Inertia.)
Lecture 13:
Rotational Kinetic Energy
and Rotational Inertia
Review: Rotational Kinematics
Rotational Kinetic Energy
Rotational Inertia
Torque
Rotational Dynamics
Equilibrium
Recall: Rotational Kinematics
Angular
Linear
constant
a constant
0 t
v v 0 at
Physics 101: Lecture 07
Constant Acceleration and
Relative Velocity
Physics 101: Lecture 7, Pg 1
Relative Velocity
Sometimes your velocity is known relative to a
reference frame that is moving relative to the
earth.
Example 1: A person moving relative to
Physics 101: Lecture 07
Relative Velocity
Physics 101: Lecture 7, Pg 1
Relative Velocity
Sometimes your velocity is known relative to a
reference frame that is moving relative to the
earth.
Example 1: A person moving relative to a train, which
is moving r
Physics 101 Discussion Week 3 Explanation (2011)
D3-1. Velocity and Acceleration
A.
1: average velocity.
Q1. What is the denition of the average velocity v?
Let r(t) be the total displacement vector in time t. Then, the average velocity
v during this time
Physics 101: Lecture 10
Potential Energy & Energy
Conservation
Physics 101: Lecture 10, Pg 1
Example: Ball Toss
You toss a ball in the air.
What is the work done by gravity as
the ball goes up?
A) Positive
B) Negative
C) Zero
What is the work done by grav
Lecture 06:
Two Dimensional Kinematics
Vector Review
2-D Kinematics
Projectile Motion
2-D Problem Solving
X and Y are INDEPENDENT!
Break 2-D problem into two 1-D problems.
y
x
Vectors
Position, Velocity, and Acceleration are Vectors!
r x 2 y 2
2
2
a ax a
Lecture 10
Potential Energy
Potential Energy
Definition
Conservative Forces
Conservation of Energy
Power
Work Done by Gravity
Wg = -mgy
Independent of path (only depends on
initial and final height)
If you end up where you began, Wg = 0
Define: Potential
Lecture 07
Dynamics and Relative Velocity
Problem Solving: Dynamics Examples
Relative Velocity
Dynamics Problem Solving
Draw a Free Body Diagram
(FBD) for each Object
Write down F = ma for each
Object in each Direction
Solve for the Unknown(s)
Dynamics Ex