An elevator held by a single cable is ascending but slowing down.

Part A

Is the work done by tension positive, negative, or zero? Explain.

Match the words in the left column to the appropriate blanks in the sentences on the right.

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positive

negative

zero

the elevator's mechanical energy is increasing

the tension makes the elevator slowing down

only gravity does the work on the elevator

the tension force acts in the direction of the movement

The tension does Blank work on the elevator because Blank.target $1$ of $2$target $2$ of $2$