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Physics
Physics
Problem
Which equation most accurately expresses the quantitative relationship between the net force acting on a system and the system’s acceleration? a)
a
⃗
=
∑
F
⃗
m
+
g
⃗
\vec a=\dfrac{\sum \vec F}{m}+\vec g
a
=
m
∑
F
+
g
b)
a
⃗
=
∑
F
⃗
2
m
\vec a=\dfrac{\sum \vec F}{2m}
a
=
2
m
∑
F
c)
a
⃗
=
∑
F
⃗
m
\vec a=\dfrac{\sum \vec F}{m}
a
=
m
∑
F
d)
F
⃗
net
=
m
a
⃗
+
m
g
⃗
\vec F_{\text{net}}=m\vec a+m\vec g
F
net
=
m
a
+
m
g
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