A 10-kg suitcase is placed on a scale that is in an elevator. Select all the ent

Question

A 10-kg suitcase is placed on a scale that is in an elevator. Select all the entries below that are correct.


The elevator must be accelerating downward if the reading on the scale is 120 N.
The elevator must be accelerating upward if the reading on the scale is 120 N.
If the scale reading is 98 N the elevator might be moving downward with a constant acceleration.
If the scale reading is 98 N the elevator might be moving upward with a constant acceleration.
If the scale reading is 98 N the elevator might be standing still.
The elevator must be accelerating upward if the reading on the scale is 75.0 N.
The elevator must be accelerating downward if the reading on the scale is 75.0 N.
If the scale reading is 98 N the elevator might be moving upward with a constant speed.

Explanation / Answer

False True False Flase True False True True

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