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Physics
Physics
Problem
A block slides
3
m
3\,\text{m}
3
m
to the right while a student pulls it
50
N
50\,\text{N}
50
N
to the left along the same straight line. What is the sign of the work done by the student’s pull? a) Positive b) Zero c) Negative d) Cannot be determined without the mass of the block
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