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Transcript

In class Quiz #19-3
Find the force P of the wall on the top of the 10 meter
ladder that weights 75 N
In class Quiz #20-1
A constant net torque is applied to
an object. Which of the following
will not be constant?
1.
40°
A.
B.
C.
D.
E.
75N
50 N
25N
30 N
21 N
45 N
40°
75N
2.
3.
4.
5.
Angular acceleration
Angular velocity
Moment of inertia
Center of Gravity
They are all constant
In class Quiz #20-2
What is the torque applied
to the reel by the cord?
A.
B.
C.
D.
E.
mgR
0
TR
-TR
-mgR
1