“When a person walk on rough surface then frictional force act in opposite direction of motion” - True or false ?

“When a person walk on rough surface then frictional force act in op

1.	“When a person walk on rough surface then frictional force act in opposite direction of motion” - True or false ?
Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :Falsewhenpersonwalkon roughsurfaceitpushessurfacein backwarddirectionfrictionalforceact in forwarddirection . <br/> <img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P1_C05_E03_044_S01.png" width="80%"/></body></html>