the work done may be positive, negative or zero write the conditions for positive, negative and zero work done?
Answers
Answered by
7
Case 1
« If the displacement is in the direction of force, i.e. , theta = 0 degree
W= F×S
THE WORK DONE IS POSITIVE
CASE 2
« When the displacement is normal to the direction of force i.e. theta = 90 degrees
« when there is no displacement i.e. S = 0
then work done is zero
CASE 3
« IF the displacement is in a direction opposite to the force, i.e. theta = 180 degrees
then cos 180 degrees = -1
therefore W= -F×S
Then work done is negative
I hope it will help you
« If the displacement is in the direction of force, i.e. , theta = 0 degree
W= F×S
THE WORK DONE IS POSITIVE
CASE 2
« When the displacement is normal to the direction of force i.e. theta = 90 degrees
« when there is no displacement i.e. S = 0
then work done is zero
CASE 3
« IF the displacement is in a direction opposite to the force, i.e. theta = 180 degrees
then cos 180 degrees = -1
therefore W= -F×S
Then work done is negative
I hope it will help you
Robindeep:
can u please mark it brainliest
I don't know how to mark it brainliest and mark what
????
an option may be come on my answer with blue colored crown sign
it would be written that mark as brainliest
okk
thnku so much dear
done
yeah
Similar questions