Phys101
Final-101
Monday, January 24, 2011
Zero Version
Page: 1
Q1.
Two objects are thrown from the top of a building with the same speed, the first upward
and the second downward. When they reach the ground (neglect air resistance):
A)
B)
C)
D)
E)
The tw
PHYS 101 Previous Exam Problems
CHAPTER
3
Vectors
1. Vectors A, B, and C are related through equations A + B = C and A B = 5.0 C. If C = 3.0 + 4.0 , what is
j
i
the magnitude of vector A? (Ans: 15)
2. Three vectors F , v and B are related through F 5.0 (
Aljalal-Phys102- 142-Ch19-page 1
Chapter 19
The Kinetic Theory of Gases
19-1 Avogadro's Number
19-2 Ideal Gases
19-3 Pressure, Temperature, and RMS speed
19-4 Translational Kinetic Energy
19-7 The Molar Specific Heat of an Ideal Gas
19-9 Adiabatic Expansi
Summary chapter 15
Prepared by Dr. A. Mekki
The density, (rho), of any material (solid or fluid) is defined
as the mass per unit volume. That is:
=
m
V
where m is the mass of the material and V its volume. The unit of the
density is kg/m3 .
Note: 1g/cm3
Summary of chapter 14
Prepared by Dr. A. Mekki
The gravitational force:
The magnitude of the gravitational force between two particles of mass
m m
F =G 1 2 = F
m1 and m2 is given by
12
21
r2
Where G is the gravitational constant = 6.65 x 10-11 N.m2/kg2 i
Summary chapter 16
Prepared by Dr. A. Mekki
Oscillatory motion is the one that repeats itself.
The number of oscillations per second is an important property of
simple harmonic motion and is called the frequency f. Its unit is Hertz
(Hz) or s-1.
The pe
Summary of chapter 9
Prepared by Dr. A. Mekki
The center of mass of a system of particles is that point that
moves as if all the mass were concentrated there and all external
forces were applied there.
The coordinates of the center of mass in three dime
Summary of chapter 12
Prepared by Dr. A. Mekki
Rolling = Pure Rotation about the center of mass + Pure
translation of the center of mass
During the rolling motion the linear velocity of the center of mass is
given by:
v
= wR
cm
where R is the radius of t
Summary of chapter 8
Prepared by Dr. A. Mekki
There are two types of potential energies in Phys101: One is
gravitational and the other is elastic (spring).
The work done by a conservative force is related to the
change in potential energy by the relation:
Summary of Chapter 5
Prepared by Dr. A. Mekki
The interaction that can cause acceleration is called a force which is either a push or a
pull on the object. The study of the relationship between the force and the acceleration
is called classical or Newtoni
Summary of chapter 13
Prepaped by Dr. A. Mekki
A rigid body is in equilibrium if its net linear momentum and
net angular momentum are both constant.
A rigid body is in static equilibrium if the net external force and the
net external toque acting on it
PHYS 101 Previous Exam Problems
CHAPTER
1
Measurement
Units conversion
Dimensional analysis
Density
1. The position y of a particle moving along the y axis depends on the time t according to the equation
= At Bt 2 . What are the dimensions of the quantit
PHYS 101 Previous Exam Problems
CHAPTER
4
Motion in Two &
Three Dimensions
General motion in 2D & 3D
Projectile motion
Uniform circular motion
Relative motion
1. A projectile is fired over a flat horizontal land. It takes 10 s to reach its range of 100 m
PHYS 101 Previous Exam Problems
CHAPTER
5
Force & Motion I
Newtons Laws
Vertical motion
Horizontal motion
Mixed forces
Contact forces
Inclines
General problems
1. A 5.0-kg block is lowered with a downward acceleration of 2.8 m/s2 by means of a rope. What
PHYS 101 Previous Exam Problems
CHAPTER
15
Oscillations
Simple harmonic motion
Mass-spring system
Energy in SHM
Pendulums
1. The displacement of a particle oscillating along the x axis is given as a function of time by the equation:
x(t) = 0.50 cos(t+/2)
PHYS 101 Previous Exam Problems
CHAPTER
14
Fluids
Fluids at rest pressure vs. depth
Pascals principle
Archimedess principle Buoynat forces
Fluids in motion: Continuity & Bernoulli equations
1. How deep into a lake would you have to dive so that the incre
PHYS 101 Previous Exam Problems
CHAPTER
11
Rolling, Torque &
Angular Momentum
Rolling motion
Torque
Angular momentum
Conservation of angular momentum
1. A uniform hoop (ring) is rolling smoothly from the top of a 30 inclined plane of height 5.0 m, starti
PHYS 101 Previous Exam Problems
CHAPTER
13
Gravitation
Newtons law of gravitation
Shell theorem
Variation of g
Potential energy & work
Escape speed
Conservation of energy
Keplers laws - planets
Orbits
1. A space ship is going from the Earth to the Moon
PHYS 101 Previous Exam Problems
CHAPTER
10
Rotation
Rotational kinematics
Rotational inertia
Kinetic energy
Torque
nd
Newtons 2 law
Work, power & energy conservation
1. Assume that a disk starts from rest and rotates with an angular acceleration of 2.00
PHYS 101 Previous Exam Problems
CHAPTER
8
Potential Energy &
Conservation of Energy
Potential energy
Conservation of energy - conservative
Conservation of energy friction
Conservation of energy external forces
1. A 2.0-kg block is released from rest 60 m
PHYS 101 Previous Exam Problems
CHAPTER
12
Equilibrium &
Elasticity
Static equilibrium
Elasticity
1. A uniform steel bar of length 3.0 m and weight 20 N rests on two supports (A and B) at its ends. A block of
weight W = 30 N is placed at a distance 1.0 m
PHYS 101 Previous Exam Problems
CHAPTER
7
Kinetic Energy and
Work
Kinetic energy
Work
Work-energy theorem
Gravitational work
Work of spring forces
Power
1. A single force acts on a 5.0-kg object in such a way that the position of the object as a function
PHYS 101 Previous Exam Problems
CHAPTER
9
Center of Mass &
Linear Momentum
Center of mass
Momentum of a particle
Momentum of a system
Impulse
Conservation of momentum
Elastic collisions
Inelastic collisions
2D collisions
1. A sulfur dioxide molecule SO
PHYS 101 Previous Exam Problems
CHAPTER
6
Force & Motion II
Frictional & Centripetal Forces
Frictional forces flat surface
Frictional forces inclines
Circular motion
1. A box of mass 40.0 kg is pushed across a rough flat floor at the constant speed of 1.
PHYS 101 Previous Exam Problems
CHAPTER
2
Motion Along
a Straight Line
Position & displacement
Average & instantaneous velocity
Average & instantaneous acceleration
Constant acceleration
Free fall
Graphical problems
1. The position of an object is given
Summary of chapter 10
Prepared by Dr. A. Mekki
A collision is an event in which two or more bodies exert
strong forces on each other for a relatively short time.
Impulse and linear momentum:
The impulse is defined as the change in linear momentum, that
Summary of chapter 3
Prepared by Dr. A. Mekki
A vector has a magnitude and a direction. Some physical quantities that are vector
quantities are displacement, velocity, acceleration and force.
A scalar on the other hand is given as a single value with a si
Summary of chapter 7
Prepared by Dr. A. Mekki
We defined the kinetic energy K of a particle of mass m
1
having a velocity v as K = mv 2 . This is a scalar quantity,
2
which can never be negative. The units of K is Joule (J).
The work energy theorem is s
Chapter 7. Kinetic Energy and Work
7.1.
7.2.
7.3.
7.4.
7.5.
Energy
Kinetic Energy
Work
Work and Kinetic Energy
Work Done by a Gravitational Force
7.6. Work done by a Variable Force
7.7. Work done by a Spring Force
7.8. Power
Dr. K. Gasmi, 2011 (Physics 10