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Phgsﬁg 2 A/oies
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Midterm # 1
Physics 2
Spring 2008
version: i . A
1.Whatiiji?
a)i b)i c)-j d)j e)k
2. Three forces act on an object (two are shown)- What distance in meters from point P must the final
force be applied at in order for the object to be in equilibrium? 3
(numbers 1-2) A small 2 kg mass attached to the end of a 1.2 m string moves in a vertical circle about a fixed center
point. At point A, the mass moves at 5.745 m/s.
1.
a)
b)
c)
d)
e)
How fast is the mass moving at point B?
3.0 m/s
3.3 m/s
3.6 m/s
3.9 m/s
1. The magnitude of vector A is 8 and the magnitude of vector B is 1. Which of the following may be
the magnitude of vector A B?
a) 4.5
b) 6.5
c) 8.5
d) more than one of the above answers could be correct
e) none of the above answers can be correct
2. An
Welcome Back to Basic Physics!
Introductions
Review
Torque
Rotational Kinematics
Rotational Kinetic Energy
Introductions
Prof. Deborah Fygenson
Weeks 1 5
GauchoSpace: PHYS 2 S10
Prof. Ben Mazin
Weeks 6 10
MasteringPhysics: PHYS2S10
i>clicker: frequency A
Announcement
Final Exam for 8am Section
Thursday, June 10 at 8 a.m.
Review
Rotational Kinematics
Rotational Kinetic Energy
Angular Momentum
Precession
Q10.4
What do you think?
A force
acts an object at a point
located at the position
What is the torque th
news.illinois.edu/news/09/0506polymers.html
Review
Stress & Strain
ModulI
Failure
Problem Solving
news.illinois.edu/news/09/0506polymers.html
Review
Hookes Law
Fx = k x
Review
Hookes Law
the cause Fx = k x the effect
Stress
the cause
Tension
Strain
the ef
Review & New
Translational Equilibrium
Rotational Equilibrium
Center of Mass
Center of Gravity
Problem Solving
Equilibrium
a.k.a. balance
Equilibrium
a.k.a. balance
Translational
Rotational
Q11.1
What do you think?
Which of the following situations sati
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