Part A

When a $45-kg$ person steps on a scale in an elevator, the scale reads a steady $480N.$ Which of the following statements must be true? $($There could be more than one correct choice.$)$

Check all that apply.

The elevator is moving upward at a constant rate.

From the given information, we cannot tell if the elevator is moving up or down.

The elevator is accelerating downward at a constant rate.

The elevator is moving downward at a constant rate.

The elevator is accelerating upward at a constant rate.

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