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irina1246 [14]
3 years ago
7

Marvin lifts a box over his head. The work done on the box is- -Negative work -No work -Positive work

Physics
1 answer:
NemiM [27]3 years ago
6 0

Answer:

Positive work

Explanation:

When work and the exerted force are in the same direction, then the work done is positive.

In the question, we understand that Marvin lifts a box up (i.e. over his head). The force to lift the box acts in the upward direction and the work done itself is also in the upward direction (from the floor to Marvin's head).

Since these two are in the same direction, then we can conclude that the work done is positive.

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