The rope breaks and the box falls to the ground. During this time, which of the

Question

The rope breaks and the box falls to the ground. During this time, which of the following are true (select more than one if applicable). Assume that air resistance on the box is negligible. The work performed by all conservative forces on the box is 0. The work performed by all non-conservative forces on the box is 0. The network performed on the box is 0. The work performed by all conservative forces on the box is positive. The work performed by all non-conservative forces on the box is positive. As a result of your answer to the previous question, use the work-energy theorem to determine which of the following is true. The change in the total energy of the box is 0. The change in the total energy of the box is positive. The change in the total energy of the box is negative.

Explanation / Answer

1ST Part:

- The net work performed on the box is 0.

- The work performed by all non-conservative forces on the box is positive.

2ND Part:

- The change in the total energy of the box is positive.

3RD Part:

- The work performed by all non-conservative forces on the box is 0.

- The work performed by all conservative forces on the box is positive.

4TH Part:

- The change in the total energy of the box is 0.

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