Question

the force applied by men in pushing a block varies with displacement as shown in figure in the force is expressed in Newton and displacement in metre find the work done by him ​

Answer 1

Explanation:

Work done=Area enclosed from A to B

=Area enclosed from A to L(Since area from L to M and M to B are equal and opposite polarity)

=10×2+

2

1

×1.5

=20+2.5=22.5J