Physics, asked by gopal8117, 10 months ago

When is a work done to be (a) negative (b) positive (c) zero

Answers

Answered by shikha933

1

Explanations

(a)workdone is negative

when it is performed against gravity

(b)workdone is positive

when the displacement take place in the direction of force when elevation of angle is 45degree

(c)workdone is zero

at 90 degree elevation

Answered by sudhansusekharsoy100

0

Answer:(a) negative

Explanation:

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