PHYSICS: So an object at rest can be at equilibrium, but what about an object that is moving? And how does equilibrium relate to Newton’s first law? Or Newton’s second law? And what if you don’t have balanced forces. Here’s the lecture from Wednesday on just that! Now remind me, net forces produce what?
PHYSICS: I’m really proud of you – you’re doing a great job on thinking through these problems! Good luck in studying for your test. Practice, practice practice the problems, but don’t forget the conceptual stuff. How did I shoot those eggs across the room with the broom – but not!? How’d Preston throw the egg into the sheet with breaking it? What causes whiplash and how do seatbelts work? If you get a chance, watch the Julius Sumner Miller videos on Newton’s laws in the Vodpod, or look them up on You Tube. Another great video to look at again is the one from today on sky diving. I think they’ll all help a lot with the conceptual information. Good luck! I’ll be praying for you!
PHYSICS: How are you doing with studying for the test? Seems like forever since we started this chapter, so do you need a rundown of the problems? And don’t forget Newton’s laws and all the conceptual stuff! If you get a chance, watch the Julius Sumner Miller videos on Newton’s laws in the Vodpod, or look them up on You Tube. I think they’ll help a lot with the conceptual information. Help session in the morning at 7:07 A.M., if you need extra help. I’ll be praying for you!
PHYSICS: So an object at rest can be at equilibrium, but what about an object that is moving? And how does equilibrium relate to Newton’s first law? Or Newton’s second law? And what if you don’t have balanced forces. Here’s the lecture from Tuesday on just that! Now remind me, net forces produce what?
PHYSICS: Good job thinking through the equilibrium problems today. A couple of things that work for me – draw them first. Then go back through and separate resultants into components. If an object is in equilibrium, then there are no net forces – all the forces in the x direction balance – everything left equals everything right, and all the forces up equal all the forces down. Now what about that lab?
PHYSICS: I’m so proud of you – you’re doing a great job on thinking through these problems! Good luck in studying for your test. Practice, practice practice the problems, but don’t forget the conceptual stuff. If you get a chance, watch the Julius Sumner Miller videos on Newton’s laws in the Vodpod below, or look them up on You Tube. I think they’ll help a lot with the conceptual information. Help session in the morning at 7:15 A.M., if you need extra help. I’ll be praying for you!
PHYSICS: Great job thinking through the equilibrium problems today. A couple of things that work for me – draw them first. Then go back through and separate resultants into components. If an object is in equilibrium, then there are no net forces – all the forces in the x direction balance – everything left equals everything right, and all the forces up equal all the forces down. Capisce?
Here’s the lecture from Thursday on net force, equilibrium, and equilibrants. Were you experiencing a little déjà vu? Let’s explore that a bit more tomorrow.