I am not able to solve this one, pls help - Science - Force and Laws of Motion

Question

I am not able to solve this one, pls help

Sejal Gupta · Accepted Answer

Dear Student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_61632c2c1cbc1%20jpg"
style="width: 836px; height: 1023px;">
Regards