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Physics
Physics
Problem
Vectors
P
=
(
k
i
^
+
4
j
^
)
N
\mathbf{P}=(k\,\hat i +4\,\hat j)\,\text{N}
P
=
(
k
i
^
+
4
j
^
)
N
and
Q
=
(
−
5
i
^
−
4
j
^
)
N
\mathbf{Q}=(-5\,\hat i -4\,\hat j)\,\text{N}
Q
=
(
−
5
i
^
−
4
j
^
)
N
are the only forces acting on a body. If the body remains in equilibrium, find the value of
k
k
k
. a)
4
4
4
b)
5
5
5
c)
−
5
-5
−
5
d)
0
0
0
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