I could not guess what is the right assumption at allhttps://files.engineering.com/getfile.aspx?folder=7ac9f071-158a-4454-9c1e-4b2df6b72adc&file=WhatsApp_Image_2021-02-17_at_1.12.03_PM.jpeg
here are other two methods which triedhttps://files.engineering.com/getfile.aspx?folder=c608cc57-e173-4078-85ae-324e0dee9a67&file=WhatsApp_Image_2021-02-17_at_1.10.45_PM.jpeg
Here is my methodhttps://files.engineering.com/getfile.aspx?folder=f345f3cb-7d42-4c2b-bced-29331833be82&file=WhatsApp_Image_2021-02-17_at_1.10.45_PM.jpeg
i have been stuck with this qn. I assumed it to be shockwave. yet my answer is wrong. I have no clue how to go abt it. Like the force is obtained is -ve or +ve. Detailed calculation will be...