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Name: Physics "Magic Trick" on an Incline Category: Dynamics Date Added: 2016-06-06 Submitter: Flipping Physics Understand the forces acting on an object on an incline by analyzing the forces on a “floating block”. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:28 Finding the incline angle 1:17 Drawing the Free Body Diagram 2:26 Summing the forces in the perpendicular direction 3:49 Summing the forces in the parallel direction 5:04 Determining masses for the “Magic Trick” 6:11 Adding pulleys, strings and mass 7:34 Floating the block 8:18 Analyzing the forces on the floating block Next Video: Introductory Static Friction on an Incline Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Breaking the Force of Gravity into its Components on an Incline Thanks to Nic3_one and Cyril Laurier for their Fire Sounds: Fire in a can! » constant spray fire 1 by Nic3_one Earth+Wind+Fire+Water » Fire.wav by Cyril Laurier 1¢/minute Physics "Magic Trick" on an Incline -
Name: Breaking the Force of Gravity into its Components on an Incline Category: Dynamics Date Added: 2015-10-16 Submitter: Flipping Physics Resolve the force of gravity into its parallel and perpendicular components so you can sum the forces. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:12 Drawing the Free Body Diagram 1:04 Introducing the parallel and perpendicular directions 2:19 Drawing the components of the force of gravity 2:49 Finding the angle used to resolve the force of gravity into its components 4:33 Solving for the force of gravity parallel 5:15 Solving for the force of gravity perpendicular 5:53 Redrawing the Free Body Diagram Next Video: Physics "Magic Trick" on an Incline Multilingual? Please help translate Flipping Physics videos! Previous Video: Determining the Static Coefficient of Friction between Tires and Snow 1¢/minute Breaking the Force of Gravity into its Components on an Incline
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Video Discussion: AP Physics 1: Electricity Review
Flipping Physics posted a topic in AP Physics 1/2
Name: AP Physics 1: Electricity Review Category: Exam Prep Date Added: 14 April 2015 - 03:39 PM Submitter: Flipping Physics Short Description: None Provided Review of the Electricity topics covered in the AP Physics 1 curriculum. Want View Video -
The Electrical Grid in Your Home
pavelow posted a blog entry in Blog Having Nothing to do with Physics
The electrical grid is wired in parallel. Why? The benefit of having your home wired in parallel rather than in series is having a uniform voltage rather than a uniform current. Because your home is wired in parallel, manufacturers of electrical products can set a specific resistance and know the expected current because of ohm's law V=IR, rearranged to I=V/R. The danger of having everything wired in parallel is that increasing the amount of resistors in the circuit decreases the equivalent resistance of the entire circuit. This can lead to a dangerous amount of current travelling though the wires in your house. However, there are safeguards preventing a dangerous amount of current from damaging the products in your home. The circuit breaker exists as the weakest part of the circuit that is your home. This ensures that, in the case of a dangerous amount of current, the circuit breaker flips first, so any products plugged into your outlets are kept safe. Wiring in parallel makes developing electrical consumer products easy and protecting against the dangers of parallel circuits is done by the circuit breaker. -
Physics class is becoming very interesting, especially through this circuits chapter. I am learning about series and parallel, and the different formulas that are applied for each. I have also learned about Ohm's Law (V=IR). At first it was difficult to remember the different formulas for both series and parallel circuits, but after doing many VIR Charts, the work has become a bit simpler. I have learned a few things for both series and parallel circuits Series: Electric Current (I) is equal all the way through = I1=I2=I3 Parallel: R = (R1-1 + R2-1 + R3-1)-1 Also, this Kahn Academy video has explained a little more for me! www.youtube.com/watch?v=3o8_EARoMtg
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