PHYSICS 9A
LAB MANUAL
Spring 2014 Edition
This lab manual belongs to
_
LABORATORY EXPERIMENTS IN
CLASSICAL MECHANICS
The Staff of the Physics Department
University of California, Davis, CA 95616
Physics 9 Lab Supervisor - Dr. Randy Harris
PHYSICS 9A
LABOR

PHY 009A Week 5
CH 6: 6.1-6.3; 6.4
4. Suppose the worker in Exercise 6.3 pushes downward at an angle of 30 below the horizontal.
(a) What magnitude of force must the worker apply to move the crate at constant velocity?
(b) How much work is done on the cra

PHY 009A Week 3
CH 4: 4.1-4.2; 4.4-4.6
4. A man is dragging a trunk up the loading ramp of a movers truck. The ramp has a slope angle of 20.0 and the man pulls upward with a force
whose direction makes an angle of 30.0 with the ramp (Fig. E4.4). (a) How l

PHY 9Ab
Name:
Midterm Test 2
(last),
(first)
I certify by my signature that I will abide by the UC code of academic conduct:
Student ID:
Signature:
The test is graded on a total of 100 points. The allowed time is 75 minutes. You might use any type of
calc

PHY 9Ab
Name:
Midterm Test 1
(last),
(first)
I certify by my signature that I will abide by the UC code of academic conduct:
Student ID:
Signature:
The test is graded on a total of 100 points. The allowed time is 75 minutes. You might use any type of
calc

Homework prep for the final exam
The problems below are recommended as homework practice in preparation for the final exam.
Note: Chapter 13 was only partially covered by our discussion leader, Connor Gorman. The parts of
chapter 13 that you will need to

Concept questions:
You are trying to loosen a stubborn screw from a piece of wood with a screwdriver and fail.
1) Draw an overhead picture of the screw embedded in a block of wood. Assume it is a flat-head screw.
On your diagram draw what you have learned

Assignment #5 (chapter 6/7)
(Homework will not be graded or collected, but the problems that are very similar to those in the
homework set will appear on the midterms)
Chapter 6
Problem 6.70
Problem 6.72
Problem 6.84
Problem 6.86
Problem 6.102
Chapter 7
P

Assignment #6 (chapter 8)
(Homework will not be graded or collected, but the problems that are very similar to those in the
homework set will appear on the midterms)
Chapter 8
Problem 8.3
Problem 8.12
Problem 8.23
Problem 8.31
Problem 8.43
Problem 8.44
Ch

Assignment #7 (chapter 8/9)
(Homework will not be graded or collected, but the problems that are very similar to those in the
homework set will appear on the midterms)
Chapter 8
Problem 8.86
Problem 8.115
Problem 8.116
Chapter 9
Problem 9.18
Problem 9.21

Physics 9A-A
Final Exam
June 12, 2008
PutyournameandIDonyourbluebook.Therearetenproblemsontwopages.Withthe
exceptionofproblem1yourlowestproblemwillbedropped.Pleaseputeachproblemonanew
sideofapage.Exceptforproblem#1,nocreditwillbegivenforanswerswithoutwork

PHY 009A Week 2
CH 2: 2.3-2.6
31. The graph in Fig. E2.31 shows the velocity of a motorcycle police officer plotted as a function of time.
(a) Find the instantaneous acceleration at t = 3s at t = 7s and at t = 11s (b) How far does the officer go in the
fi

PHY 009A Week 4 (Midterm 1)
CH 5: 5.4-5.5
49. Rotating Space Stations. One problem for humans living in outer space is that they are apparently
weightless. One way around this problem is to design a space station that spins about its center at a constant

PHY 009A Week 6
CH 7: 7.1-7.2; 7.3-7.4; 7.5
9. CP A small rock with mass 0.20 kg is released from rest at point A, which is at the top edge of a large,
hemispherical bowl with radius R = 0.50 m (Fig. E7.9). Assume that the size of the rock is small compar

PHY 009A Week 7
CH 8: 8.1-8.3; 8.4-8.5; 8.6
7. Force of a Golf Swing. A 0.0450-kg golf ball initially at rest is given a speed of 25.0 m/s when a club
strikes. If the club and ball are in contact for 2.00 ms, what average force acts on the ball? Is the ef

PHY 009A Week 10
CH 13: 13.1-13.6; 13.7-13.8
5. Two uniform spheres, each of mass 0.260 kg, are fixed at points A and B (Fig. E13.5). Find the magnitude
and direction of the initial acceleration of a uniform sphere with mass 0.010 kg if released from rest

PHY 009A Week 9
CH 9: 9.5-9.6; 9.4
80. Measuring I. As an intern with an engineering firm, you are asked to measure the moment of inertia of a
large wheel, for rotation about an axis through its center. Since you were a good physics student, you know
what

Physics 9A-C
4/6/2012
Practice Quiz Week #1
Name:
ID (last 4):
Whentwovectorsaandbaredrawnfromacommonpointasshown,theanglebetweenthe
themis.Usingvectortechniques:
a)(7pts)Showthatthemagnitudeoftheirvectorsumis a + b = a 2 + b 2 + 2 ab cos
Toaddvectorspla

PHY 009A Week 8 (Midterm 2)
CH 9: 9.1-9.3
64. A roller in a printing press turns through an angle
given by
, where
and
.
(a) Calculate the angular velocity of the roller as a function of time.
(b) Calculate the angular acceleration of the roller as a func

4/2/12
Physics 9A Exams
Physics 9A-C Exams
Exams are held in the rooms posted in the ExamRoom Schedule. You are allowed one 81/2 x11 page of notes
and a calculator. You are responsible for all formulas on the exam.
Midterm 1
Midterm 1 Solutions
.
.
.
.
Mi

PHY 009A Week 1
Ch.1: 1.1-1.6; 1.7-1.9
3. How many nanoseconds does it take to travel 1.00 ft in vacuum? (useful to remember this
quantity)
8. While driving in an exotic foreign land you see a speed limit sign on a highway that reads
180,000 furlongs per