Torque and Work
AP Physics 1 · Flashcards
AP PHYSICS 1 · FLASHCARDS
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QUESTION
Find the torque if a force of 10 N is applied 2 m from pivot at 90°.
QUESTION
Define the term 'moment arm' in physics.
QUESTION
Calculate work:
F
=
10
N
F = 10 \text{ N}
F
=
10
N
,
d
=
4
m
d = 4 \text{ m}
d
=
4
m
,
θ
=
0
°
\theta = 0°
θ
=
0°
.
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ANSWER
W
=
40
J
W = 40 \text{ J}
W
=
40
J
.
W
=
10
×
4
×
cos
(
0
°
)
=
40
W = 10 \times 4 \times \cos(0°) = 40
W
=
10
×
4
×
cos
(
0°
)
=
40
J.
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