Newton's Second Law in Rotational Form
AP Physics C Mechanics · Flashcards · Application
AP PHYSICS C MECHANICS · FLASHCARDS
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QUESTION
What is the effect of
sin
θ
\sin \theta
sin
θ
when
θ
=
0
\theta = 0
θ
=
0
in torque calculation?
QUESTION
Calculate
I
I
I
with
r
=
1
m
r = 1 \text{ m}
r
=
1
m
,
m
=
4
kg
m = 4 \text{ kg}
m
=
4
kg
for a point mass.
QUESTION
Calculate angular acceleration for
τ
=
6
N⋅m
\tau = 6 \text{ N·m}
τ
=
6
N⋅m
,
I
=
2
kg⋅m
2
I = 2 \text{ kg·m}^2
I
=
2
kg⋅m
2
.
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ANSWER
α
=
3
rad/s
2
\alpha = 3 \text{ rad/s}^2
α
=
3
rad/s
2
. Apply
α
=
τ
/
I
=
6
/
2
\alpha = \tau/I = 6/2
α
=
τ
/
I
=
6/2
.
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