Question

from the graph of force versus displacement of particle find the total work done by force

Answer 1

are under force- displacement graph represents work done so

Area of triangle=1/2 *b*h. *=multiplication

area of triangle=1/2*2*15.

=15

area of second triangle=15

area of rectangle=l*b=15*4=60

work done=15+15+60=90J

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