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Physics
Physics
Problem
A person stands on a spring balance inside a lift. The supporting cable suddenly snaps and the lift falls freely under gravity. What will the balance read while the lift is in free fall? a)
2
m
g
2mg
2
m
g
b)
0
0
0
c)
m
g
2
\dfrac{mg}{2}
2
m
g
d)
m
g
mg
m
g
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