1.

A woman pushes a trunk on a railway platform that has a rough surface, She applies a force F over a distance of 20 m as shown by the graph. Calculate the work done by the woman.

Answer» <html><body><p></p>Solution :`W= int <a href="https://interviewquestions.tuteehub.com/tag/fdx-3629966" style="font-weight:bold;" target="_blank" title="Click to know more about FDX">FDX</a> =` Area under the graph <br/> W = Area of <a href="https://interviewquestions.tuteehub.com/tag/rectangle-1180579" style="font-weight:bold;" target="_blank" title="Click to know more about RECTANGLE">RECTANGLE</a> + Area of trapezium <br/> `= (100 N) (<a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a> m) + 1/2 (100 N + <a href="https://interviewquestions.tuteehub.com/tag/50-322056" style="font-weight:bold;" target="_blank" title="Click to know more about 50">50</a> N) (10 m)` <br/> ` = 1000 J + <a href="https://interviewquestions.tuteehub.com/tag/750-335306" style="font-weight:bold;" target="_blank" title="Click to know more about 750">750</a> J = 1750 J. `</body></html>


Discussion

No Comment Found