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Physics
Physics
Problem
If the resultant of three forces
F
1
=
p
i
^
+
3
j
^
−
k
^
\mathbf{F}_1 = p\hat{i} + 3\hat{j} - \hat{k}
F
1
=
p
i
^
+
3
j
^
−
k
^
,
F
2
=
6
i
^
−
k
^
\mathbf{F}_2 = 6\hat{i} - \hat{k}
F
2
=
6
i
^
−
k
^
and
F
3
=
−
5
i
^
+
j
^
+
2
k
^
\mathbf{F}_3 = -5\hat{i} + \hat{j} + 2\hat{k}
F
3
=
−
5
i
^
+
j
^
+
2
k
^
acting on a particle has a magnitude equal to 5 units, then the value of
p
p
p
is a. -6 b. -4 c. 2 d. 4
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