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Engineering Dynamics is a hard class but if you go to this professor's class regularly, do HWs yourself instead of copying it from the solution manual or friends, you can do well in this class. Prof. Purwar is one of the most dedicated teachers I have come across. He knows his stuff well and is very methodical.

I loved his class -- he gives great examples and has a unique approach to teaching. Outside class, he treats you as a friend and is helpful. He is very disciplined too. It seems all the guys who failed his class are here to berate him unnecessarily.

Prof. Purwar is a great teacher and is very helpful in and outside his classes. I used to go to his office regularly and he was very helpful. He explains hard concepts very well but yes he does not spoon-feed you so you have to work hard to do well to get an excellent grade. In the end, I believe his class made me a better engineer.

compared to professor Ge, prof. Purwar is the better teacher.... but he criticizes his students, does not give partial credit at all during exams. bottom line, this man is the reason behind why so many people fail MEC 262... Ge on the other side is not as good of a teaher.. but is a more lenient grader. purwar's grading is very unfair

He's really such nice Prof., go to his office hour will be very helpful. Read the book, do HW and ask questions will help you a lot!!

Excellent teacher -- took dynamics with him in summer'09... wish i had him for all of my classes.

love his teaching style, hard work mec 262, but very cool. He knows his stuff.

Is very good at teaching dynamics. His exams are challenging but not impossible. Puts in effort and is willing to help students in his office hours. His major problem is that he does grade pretty harshly. To get an A you basically have to be perfect, which is tough since the material is obviously new. Work very very hard B-/B is possible lol.

He's a decent teacher. I think a lot of people make him out to be worse than he is. The material is tough, and it requires a lot of work to really get it though.

I don't know what all these people are talking about. Prof Purwar is great, he is great, knows the material like the back of his palm. You can ask him anything and he will give you a great explanation. He is kinda hard.

Great Prof. He knows his material. He is a great person. Go to his office hours and recitations.

Purwar taught most of the PHY 131 curriculum in MEC 101 at a faster speed, which was helpful. Awful at teaching programming in C and MATLAB; emphasized proper commenting and variable naming above actual coding. He is a nice professor who is willing to help students who seek it either after class or during office hours. Gives extensions on homeworks

He's a very helpful professor. the class is a hard class and you have to work hard but the professor does his job perfectly. Mec 101 was taught well by him. Make sure you don't miss many classes cause it's easy to get lost...

The material isn't a gimme for an introductory class. He was always willing to help you if you had any questions, although he doesn't really explain things clearly. A brilliant man, he just teaches really fast and jumps straight through the intermediate steps, expecting you to automatically grasp it.

Great at teaching the material and he will go in length to explain something if you do not understand. He's one of the few professors who truly cares about his students and their performance. Exams and homework were difficult but he gives a lot of partial credit plus there was a huge grading curve.

It's a hard class and you'll hate it when you're in it but by sophomore year, I believe you'll appreciate what the class is trying to do. You'll need to build a robot, which sounds intimidating, but I believe it's a great confidence booster and the experience will teach you your limits. He wants you to do well.

He cares and you can tell. His passion and intelligence are awesome and Purwar makes learning very enjoyable. This online class is the most immersive class I've taken at Stony Brook, which is incredible.

Great professor to have for majoring in Mechanical Engineering. Professor Purwar is really pushing his student to know what he thinks they should know from his experience.

Professor clearly knows what he's talking about and contributes a lot to his field, but the class expectations were a little unrealistic. Would not recommend if you're taking more than one other class, or if you don't have a CS heavy background (everything requires C++). It really feels like more of a CS class than a MEC class.

There were no exams, but there was a lot of programming. If you are not familiar or comfortable with C++ programming, then you are in for a really rough ride. However, the final group project (2 people) is worth 50% of the the final grade and luckily, he grades that more on your effort than your results.

This class was a lot of work for a 101 class. The hw is a lot at times .The lectures feel pointless at times when we only go over hw. Best part of the class is building the robot. At the end you'll gain some confidence knowing you can build a basic robot so I give the course credit for that. Not a bad class once you finish but some weeks are hell.

A lot of people say Purwar's MEC101 is too hard, or a weed out class. Bottom line, MEC is a hard program, and this class will teach you how to study properly and it will lay a lot of groundwork for your future classes. Every single thing you learn in this class you will go way more in depth on, including the coding. Purwar cares about how you do.

Purwar's MEC101 class is one of a kind. Perhaps the only class where freshman get to design and build robots; now that's really cool. Despite the pandemic, we got to work on teams virtually and managed to build robots. He is an amazingly caring and passionate professor and it shows in his teaching and interactions with us.

MEC 101 can seem a lot of work for freshmen and it is. However, if you study the notes and practice the questions a lot the exams will be easy. People have different methods of teaching, and I believe his notes and recorded lecture focused method is indeed effective.

Purwar genuinely cares about his students and wants them to succeed. He is very helpful too.The hardest part of his class to me is Arduino programing so get ready to read his long notes and handle difficult HWs. This class requires much dedication but if you "use" his office hours; take advantage of resources he gives you; you'll be fine.

Take advantage of office hours, emails, and piazza. I'd say this is more of a self-learning course but if you reach out he definitely puts in the effort to help you understand. It's a challenging course but as long as you do the work you will get a good grade.

Prof. Purwar is an exceptional teacher and researcher and it shows inside and outside class. We use his Snappy robot kit and every class is like an amazing fun time to have with mini projects. I am stoked that I am getting to do so much hands-on work in my first semester of the college. His assignments are hard, but doable.

The class may be hard, hw and quiz every week, the teacher does take pity.

Overall, a pretty chill guy and very passionate about engineering. The course is not as hard as people make it out to be. If you've taken AP Physics C or even AP Physics 1, you should be able to breeze through this with minimal studying with an A. Weekly quizzes kinda suck. Actual exams are much more difficult than the practice exams, so beware.

Purwar is an experienced and caring engineer and it shows in his teaching. His 101 class is quite unique with all of its hands-on projects and HWs. The class is demanding, so beware fellow students. Don't skip his lectures and remain engaged and you will come out on top by the end of the semester. With a cool robot to show off as well.