Question

PLEASE ANSWER THIS QUESTION VERY VERY FAST AND I WILL MARK YOU BRAINLIEST!! PLS DO IT FAST!!
Useless answers will be reported

CLASS 9 PHYSICS CH 11

Answer 1

Explanation:

1 Joule is amount of work done when a force of 1 Newton displaces a body through a distance of 1m in the direction of the force applied.

when work done is +ve : force and displacement are in same direction

when work done is -ve : force and disp. are in opp direction

when work done is 0 : either or both of force and disp are zero

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Answer 2

Explanation:

1 Joule is amount of work done when a force of 1 Newton displaces a body through a distance of 1m in the direction of the force applied. Joule is the SI unit of work.

(i)when the force and displacement are in the same direction

(ii)If the displacement is opposite to the direction of force.

(iii)When force and displacement is perpendicular to each other.....

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