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Physics
Physics
Problem
A worker pushes a crate with a constant
50
N
50\,\text{N}
50
N
force directed
37
∘
37^{\circ}
3
7
∘
below the horizontal. The crate moves
8.0
m
8.0\,\text{m}
8.0
m
horizontally. What is the work done by the worker’s force on the crate? a)
2.4
×
10
2
J
2.4 \times 10^{2}\,\text{J}
2.4
×
1
0
2
J
b)
−
3.2
×
10
2
J
-3.2 \times 10^{2}\,\text{J}
−
3.2
×
1
0
2
J
c)
4.0
×
10
2
J
4.0 \times 10^{2}\,\text{J}
4.0
×
1
0
2
J
d)
3.2
×
10
2
J
3.2 \times 10^{2}\,\text{J}
3.2
×
1
0
2
J
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