Explain Force Magnitude and Direction
Physics · Flashcards
PHYSICS · FLASHCARDS
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QUESTION
Find
f
k
f_k
f
k
if
μ
k
=
0.20
\mu_k=0.20
μ
k
=
0.20
and
N
=
50
N
N=50\,\text{N}
N
=
50
N
.
QUESTION
For an object on a horizontal surface with no vertical acceleration, how do
N
N
N
and
m
g
mg
m
g
compare?
QUESTION
State Newton's second law in vector form relating net force and acceleration.
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ANSWER
F
⃗
net
=
m
a
⃗
\vec{F}_{\text{net}} = m\vec{a}
F
net
=
m
a
. Vector form shows force and acceleration point the same way.
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