PHYS 2425 LAB: Static Friction
1
Purpose:
In this lab, you will be determining the coefficient of static friction between pairs of surfaces.
Materials: cork cart, felt cart, Force Sensor, set of masse
Homework #4
1. A particle with a charge of 15 C experiences a force of 2.1104 N when it moves at right
angles to a magnetic field with a speed of 26 m/s. What force does this particle experience when
Pre-Reading Questions for Chapter 2
Ayeesha Mohammed
1. A ball is thrown downward (not dropped) from the top of a tower. After being released, its downward
acceleration will be
b. Exactly g.
2. Withou
Pre-Reading Questions for Chapter 7
1. If the speed of a particle is doubled, what happens to its kinetic energy?
a. It becomes four times larger.
2. A woman holds a bowling ball in a fixed position.
Pre-Reading Questions Chapter 4: Ayeesha Mohammed
1. A projectile is launched at some angle to the horizontal with some initial speed and air
resistance is negligible, (a) Is the projectile a freely f
1. Vector has x and y components of equal magnitude. What can you say about the possible
directions of ?
45
2. Suppose that and have nonzero magnitude. Is it possible for to be zero?
Yes, it is possib
Pre-Reading Questions for Chapter 6
1. A car travels around an unbanked highway curve (radius 150 m) at a constant speed of
25 m/s. What is the magnitude of the resultant force acting on the driver, w
1. A rectangular building lot has a width of 75.0 ft. Determine the width in meters.
a. 75.0 ft x (1 m / 3.281 ft) = 22.86 m
2. How many significant figures are there in 0.7080 m?
a. There are 4 signi
Pre-Reading Questions for Chapter 8
1. Energy cannot be
c. created
2. A car slows down as a result of air friction. Which is true?
d. all of the above
3. If a nonconservative force acts on an object,
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Pig GrandeValley -61; 93 Physics 1401
Department 0
Physics i
Name 5 \ n a M - U509 @(Ai 01 ~
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Section/Class M
Questions:
1) Calculate the ratio between the
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Questions:
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Pre-Reading Questions for Chapter 7
1. If the speed of a particle is doubled, what happens to its kinetic energy?
a. It becomes four times larger.
2. A woman holds a bowling ball in a fixed position.
Pre-Reading Questions for Chapter 6
1. A car travels around an unbanked highway curve (radius 150 m) at a constant speed of 25 m/s. What is
the magnitude of the resultant force acting on the driver, w
Pre-Reading Questions for Chapter 5
1. An object is moving at a constant velocity. All but one of the following statements could be true.
Which one cannot be true?
b. A single force acts on the object
Pre-Reading Questions for Chapter 2
1. A ball is thrown downward (not dropped) from the top of a tower. After being released, its
downward acceleration will be
b. Exactly
2. Without air resistance, an
Pre-Reading Questions for Chapter 1
1. A rectangular building lot has a width of 75.0 ft. Determine the width in meters.
75ft x (1m/3.281 ft) =22.86 m
2. How many significant figures are there in 0.70
Pre-Reading Questions for Chapter 9
1. A 5-kg cart is moving to the right with a speed of 6 m/s, what is its momentum?
p= mv = 5(6) = 30
d. 30 kg m/s
2. Impulse is equal to
c. the change in momentum
3
Pre-reading questions for Chapter 4
1. A projectile is launched at some angle to the horizontal with some initial speed , and air resistance is
negligible, (a) Is the projectile a freely falling body?
1Exam #1
PHYS 1401
8:00-9:15 AM
Instructor: Phillip Dukes
Name:_
Score:_
INSTRUCTIONS: Multiple choice and true-false questions are five (5) points each. You may use
open book and notes.
1) The follow
nm
mm
Wavelength of Laser
0
Distance from Slit Wheel to Mask (cm)
Central Maximum
Left Side First Minimum
Left Side Second Minimum
Right Side First Minimum
Right Side Second Minimum
Distance between C
gonzalez (bg26853) HW 2 touhami (1401-08)
001 (part 1 of 2) 10.0 points
You drive a car 3 h at 49 km/h, then 3 h at
70 km/h.
What is your average velocity?
Answer in units of km/h.
002 (part 2 of 2) 1
Physics 1401
Work, Energy, and Power
Objective:
Analyze applications using Newtons 2nd Law of Motion to introduce the Work Energy
Theorem.
1) Use Newtons 2nd Law of Motion to solve for work
2) Introdu
Physics 1401
Forces
Objective:
1)
2)
3)
4)
Analyze the relationship between force and acceleration in the 2D Motion Lab.
Investigate Newtons 2nd Law of Motion
Investigate Newtons Law of Universal Grav
Table 1. Angle reached by the pendulum
q1
q2
q3
q4
q5
Average q (in rad)
Table 2. Data from the pendulum
M(kg)
m (kg)
Rcm (m)
Rb (m)
T
Average q (in rad)
Moment of Inertia (I)
Muzzle Velocity (v)
Tabl
Dynamics cart mass (kg)
Collision cart mass (kg)
Extra mass (kg)
Projectile
Cart launcher setting
1
1.5
2
before
vproj (m/s)
s(vproj) (m/s)
Target
vproj (m/s)
after
s(vproj) (m/s)
before
vtarg (m/s)
s
Table 1. Oscillating Mass
mass (m)
kg
cart
cart + 1 bar
cart + 2 bars
Table 2. k of Spring 1
yo (m)
Hanging mass
(g)
50
70
100
Weight
(N)
0.49
0.686
0.98
y
(m)
y
D
(m)
kave
s
k
(N/m)
#DIV/0!
#DIV/0!
#
Mini rotational apparatus
pulley mass (g)
pulley diameter (cm)
0 M_pulley (kg)
0 R_pulley (m)
bar mass (g)
0 M_bar (kg)
Movable mass 1 mass (g)
Movable mass 2 mass (g)
0 M_1 (kg)
0 M_2 (kg)
Mass hange
Table 1. Oscillating Mass
mass (m)
kg
cart
cart + 1 bar
cart + 2 bars
Table 2. k of Spring 1
yo (m)
Hanging mass
(g)
50
70
100
Weight
(N)
0.49
0.686
0.98
y
(m)
y
D
(m)
kave
s
k
(N/m)
#DIV/0!
#DIV/0!
#