Is the work done by gravity 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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is positive

is negative

is zero

may have any sign

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the particle travels clockwise around the path

the part of the path lower than point AA is shorter than the upper part

the energy change between starting and final points equals zero and equals the work done by gravity

positive work done by gravity is greater than absolute value of the negative work

it depends on the other forces acting on the particle

The work of the gravity Blank because