You stand on a spring scale on the floor of an elevator. Pick all the situations...
You stand on a spring scale on the floor of an elevator. Pick all the situations where the scale shows higher reading than your actual weight.
A The elevator moves downward with increasing speed.
B The elevator moves upward with decreasing speed.
C The elevator moves downward with decreasing speed.
D The elevator moves upward with increasing speed.
Homework Answers
C The elevator moves downward with decreasing speed.
D The elevator moves upward with increasing speed.
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You stand on a spring scale on the floor of an elevator. Pick
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E. Suppose you are standing on the scale in the elevator and the
elevator is accelerating downward with
an acceleration smaller than 9.8 m/s2
i. Draw free-body diagrams of yourself, the scale, and the floor
of the elevator where it interacts
with the scale.
ii. How must the magnitude of the force exerted by the scale on
you compare with your own
weight?
iii. How must the reading on the scale compare with the reading
you make when the elevator...
• You are riding in an elevator that is accelerating upward. Suppose you stand on a scale. The reading on the scale is • Greater than your true weight. • Equal to your true weight. . Less than your true weight.
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