A ladder .AB. of weight 300 N and length 5m is lying on a horizontal surface. Its centre of gravity is at a distance of .2m. from end A. A weight of 80 N is attached at end B. The work done in raising the ladder to the vertical position with end .A. in contact with the ground is,

A ladder .AB. of weight 300 N and length 5m is lying on a horizontal s

1.	A ladder .AB. of weight 300 N and length 5m is lying on a horizontal surface. Its centre of gravity is at a distance of .2m. from end A. A weight of 80 N is attached at end B. The work done in raising the ladder to the vertical position with end .A. in contact with the ground is,
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/500-323288" style="font-weight:bold;" target="_blank" title="Click to know more about 500">500</a> J <br/>1000 J <br/><a href="https://interviewquestions.tuteehub.com/tag/1150-1777716" style="font-weight:bold;" target="_blank" title="Click to know more about 1150">1150</a> J <br/>1900 J </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :B</body></html>