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Physics
Physics
Problem
A force
F
⃗
=
4
i
^
−
3
j
^
+
12
k
^
N
\vec F=4\hat i-3\hat j+12\hat k\,\text{N}
F
=
4
i
^
−
3
j
^
+
12
k
^
N
displaces a body through
d
⃗
=
2
i
^
+
j
^
+
2
k
^
m
\vec d=2\hat i+\hat j+2\hat k\,\text{m}
d
=
2
i
^
+
j
^
+
2
k
^
m
. The work done by the force is a)
35
J
35\,\text{J}
35
J
b)
29
J
29\,\text{J}
29
J
c)
26
J
26\,\text{J}
26
J
d)
22
J
22\,\text{J}
22
J
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