Chapter 6 Force and Motion II
Fall 2009
Review of chapter 5 Force
and Motion I
I.
Newtons first law.
II. Newtons second law.
III. Particular forces:
- Gravitational
- Weight
- Normal
- Tension
IV. Newtons third law.
In the figure below, mblock=8.5kg and =
AP Physics Lab
Fun With Projectile Motion
Here is the lab in a nutshell: You are going to roll a little marble down a
ramp, then watch it fly off the table and land in a can which has been
placed in exactly the correct location by you.
1. Make sure you ha
AP Physics Pre-Lab
Fun With Forces
Consider two masses on a pulley, arranged like this:
1. Write a simple expression that describes the weight of the mass on the left, in terms of m1 and g.
2. If the mass on the left is 5kg, what is its weight in Newtons?
Chapter 8 Problems
1, 2, 3 = straightforward,
intermediate, challenging
Section 8.1 Potential Energy of a
System
1.
A 1 000kg roller coaster train
is initially at the top of a rise, at point
A. It then moves 135 ft, at an angle of
40.0 below the horizonta
Physics 151: Lecture 14
Todays Agenda
Todays Topics :
One more problem with springs !
Power.
Text Ch. 7.5
Energy and cars
Text Ch. 7.6
Physics 151: Lecture 14, Pg 1
Work & Power:
Two cars go up a hill, a BMW Z3 and me in my old Mazda
GLC. Both have the
PHY 151 Homework Solutions 06B
Name: _
You may have to use material from before Lecture 05A.
Uniform Circular Motion
1. A door in a hospital has a pneumatic closer that pulls the door shut such that the
doorknob moves with constant speed over most of its
Pre-Test 03b
1.
An object moving along the x axis is acted upon by a force Fx that varies with position as
shown. How much work is done by this force as the object moves from x = 2 m to x = 8
m?
a.
b.
c.
d.
e.
10 J
+10 J
+30 J
30 J
+40 J
Work is area unde
Chapter 10 Practice Test
1.
At t = 0, a wheel rotating about a ﬁxed axis at a constant angular acceleration (if—0.40 rad/s2 has
an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of
thewheelatt=2.0s? d: -oAQ
Chapter 10 Practice Test
1.
At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of 0.40 rad/s2 has
an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of
the wheel at
Practice Quiz
1.
At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has
an angular velocity of 2.0 rad/s. Two seconds later it has turned through 5.0
complete revolutions. What is the angular acceleration of this wheel?
a.
b.