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Physics
Physics
Problem
A particle is acted upon by two constant forces
F
⃗
1
=
(
3
i
^
+
4
j
^
)
N
\vec F_1=(3\hat i+4\hat j)\,\text{N}
F
1
=
(
3
i
^
+
4
j
^
)
N
and
F
⃗
2
=
(
−
1
i
^
+
2
j
^
)
N
\vec F_2=(-1\hat i+2\hat j)\,\text{N}
F
2
=
(
−
1
i
^
+
2
j
^
)
N
. It moves through a displacement
s
⃗
=
5
i
^
m
\vec s=5\hat i\,\text{m}
s
=
5
i
^
m
. What is the net work done on the particle? a)
10
J
10\,\text{J}
10
J
b)
15
J
15\,\text{J}
15
J
c)
20
J
20\,\text{J}
20
J
d)
32
J
32\,\text{J}
32
J
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