To our dear users : we need you feedback to improveThese websites provide all details and programs for students: FR-Smartphones & Mécanique du PointTo use iMecaProf
Download iMecaProf on your laptopiMecaProf for Windows : iMecaProf for Linux : Download Android Application Android (free) https://www.dropbox.com/s/0hnckkwrox1lrsm/iMecaProf_SensorData.apk?dl=0 Download sensor data on your iPhone The needed 10$ Apple app is: iMecaProf is intended to be an innovative experimental tool to teach Basic Mechanics using Smartphone. It is directly related to: - Physics 1 Classical Mechanics MIT OpenCourseWare - Cours de Mécanique du Point Matériel de l' Université Joseph Fourier Licence de Sciences et Technologies (french)
All this, because of the embedded sensors in Smartphone: accelerometer, gyroscope, magnetometer, cameras, microphone, speaker,... Pocket Lab Thanks to these sensors, one can know in real time (i.e. at 100Hz) : - the iPhone orientation in space (yawl, roll and pitch)
**a**acceleration vector (a_{x}, a_{y}, a_{z}) in iPhone frame**g**the gravity vector in iphone frame (g_{x}, g_{y}, g_{z})**B**the earth magnetic field component (B_{x}, B_{y}, B_{z})
One can then add that «iPhone is perfect for learning science».
We are then talking about description of movement (frame, trajectory, velocity, acceleration) and the relation between displacements and forces, i.e. Newton Laws. Why is this interesting?
Rotation, orientation, frames, vectors: Circular motion studied using iMecaProf: - the formal background here is in Wikipedia or in Hyperphysics- a complete lecture is found here . This video is from:Lecture 5: Circular Motion - Centrifuges Moving - Reference Frames - Perceived GravityThis lecture was recorded by Massachusetts Institute of Technology, MIT author: Walter H. G. Lewin, Center for Future Civic Media iMecaProf includes three distinct levels:iMecaProf: Using Smartphone sensors to interactively introduce students to Basic Mechanics on the basis of real experiments. - rotation versus translation; - frames; vectors; vector projections; - uniform rotation description using velocity and acceleration; pendulum: acceleration, velocity, potential energy, kinetic energy and total energy. More is coming: 1D displacement (elevator, solid friction, oscillation/mass-spring). iMecaProf is first built to investigate such as uniform rotation, pendulum oscillation, 1D displacements such as free fall, elevator, oscillations of a mass attached to a spring. well defined movementsBut we also want to move to real situation: Illustration of the strategies is in Grenoble (France) tramway is suggested here. Think you are in tramway, cars... with your iPad and you look at the screen to observe in real time a scientific description of the displacement. Guys very good at this game and not for Tramway: - inertial navigation - MEMS We believe it can be used first by teachers at universities and possibly at the end of highschool. In a first attempt, with a group of 10 students, we already used it when teaching Basic Mechanics at University Joseph Fourier Grenoble France (academic year 2011-2012) Again sorry for the video quality: no quality as no attention paid yet to quality and presentation. This is a first message to show what we are doing. If you are interested or if you want to collaborate, let us know... we find it a difficult project in term of pedagogy. |