Physics 201
Test 2 practice
Short Answer (4 points each)
1
What is the other half of the action/reaction pair associated with the normal force of a
table supporting a book?
2
Give an algebraic expression for the net force acting on a skydiver before and a
1. MASS DENSITY AND ERROR ANALYSIS
Due: Next Friday
Purpose:
To investigate mass density of selected materials.
To perform error analysis of measurements.
Equipment: 3 cylinders
12" ruler
digital caliper
mass balance
Theory: Mass measures the amount of ma
The Laws of Motion
Reading: Chapter 5
Topics
The Concept of Force
Newtons First Law: The Law of Inertia
Mass
Newtons Second Law: The Particle Under Net Force
The Gravitational Force and Weight
Newtons Third Law: Action and Reaction
Applications of
Motion in 2 & 3 Dimensions
Reading: Chapter 4
The Position, Velocity, and Acceleration Vectors
Two-Dimensional Motion with Constant Acceleration
Projectile Motion
The Particle in Circular Motion
Tangential and Radial Acceleration
Relative Velocity
7. PROJECTILE MOTION
Objectives: To determine the acceleration of gravity from free fall and projectile motion
measurements.
To investigate projectile motion and show that projectile motion in a plane can be
treated as two separate motions: a constant vel
General Physics I
Dr. Michael Kalb
kalbm@tcnj.edu
732-383-9041
PHYS 201D
PHYS 201D01
PHYS 201D02
Lecture
Laboratory
Laboratory
P317
P312
P312
TuFr 11:00a 12:20p
Tu 1:30p 3:20p
Fr
1:30p 3:20p
Pre or corequisites: MAT 125 or Mat 127
Text: Halliday & Resnick
2. Motion with Constant Acceleration
Purpose:
To observe and make measurements on an object moving with a
constant acceleration.
Equipment: Linear low-friction track, photogate timers, cart, level.
Theory:
A cart is put on a tilted linear frictionless tra
Final Exam review
Physics 201
Short Answer (4 pts each)
1-4. Label the SI units of the following quanities. If the unit is composite, list the
basic components as well:
Quantity
SI unit name
Basic components (m, rad, kg, and s)
Angular velocity
Energy or
1.
What is the direction of the total system momentum for 3 identical sparrows
flying at the same speed, where one flies North, one flies West and one flies Northwest?
2.
Circle the following vectors and underline the scalars:
a
t
p
F
U
x
W
3.
x
Which 3 o
1. What is the angle of the planes direction away from east in degrees in the last problem?
a. 67 b. % 78 c. 82 d. 87
2. If a force of 62 Newtons is applied to a mass of 4 kg, the acceleration in m/s^2 is
a. 6.5
b. 104
c. %15.5
d. 0
3. A mass of 4 kg rest
1. A plastic 5 liter bottle of water will have a mass of about
a. 30 kg
b. 3 lbs c. %5 kg d. 9 lbs
2. The prefix 'Giga' means multiply by
a. 10-12 b. 10-15 c. % 109
d. 1012
3. Correct use of significant digits for 3.40 * 2.8546 is
a. 9.7
b. 10
c. 9.7056 d
Problems, 12 pts. each
1)
On the moon, a feather is dropped from a height of 1.5 meters. What is its weight
compared to that on earth? What is its speed when it strikes the surface? The moon
experiences an acceleration of gravity of a=1.6 m/s^2 and has no
1. A football player (Bob) who has a mass of 120 kg moving at 8 m/s hits a stationary player
(Jim) who has a mass of 240 kg. Assume that Bob and Jim are a single tangled entity
after the collision (stuck together). What is their velocity? a. 8.4 b. 8 c. %
1. The maximum thermodynamic efficiency that can be obtained in a coal plant
where the boiler temperature is 777 degrees in percent is ? a. 40
b. 35
c. 81
d.% 61
2. The standard total efficiency of a modern coal or nuclear plant in percent is ?
% 40
b. 20