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YP Shadow simulates a light source projecting the shadow of an opaque body on a screen. Using the mouse, it is easy to change the position and the size of the light source, the position and the size of the opaque body, and the position of the screen. YP Shadow draws the rays of light used to mark the boundaries of the umbra and the penumbra, and it displays the shadow as it appears on the screen.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics Teaching, Sciences, Geometrical Optics, Ray Optics, Light, Shadow, Umbra, Penumbra |
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YP Electric Field simulates up to 26 point charges (located in the same plane) and draws the lines of force, the equipotential lines and the electric field vectors in the area surrounding the electric charges. The user can move the charges and change their numerical value. A probe displays the electric potential and the magnitude and direction of the magnetic field at any position.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics Teaching, Sciences, Electricity, Electric Field, Lines Of Force, Equipotential, Electric Potential, Charge, Faraday, Vector |
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YP Waves simulates up to 3 traveling sine waves simultaneously. It is easy to change the amplitude, wavelength, velocity and phase constant of each wave. This program is perfect to teach waves characteristics (amplitude, wavelength, etc.), the superposition principle, standing waves, interference of waves, beats, etc.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics, Teaching, Science, Wave, Sine, Traveling Waves, Tranverse Waves, Sine Wave, Amplitude, Wavelength |
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YP Gear has been designed for the study of gear trains. This Macintosh software simulates the motion of a gear train composed of 2, 3 or 4 gears. The user controls the size of each gear.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics, Teaching, Sciences, Kinematics, Rotation, Mechanism, Mechanical Engineering, Simulation, Animation, Gears |
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YP Collisions simulates a two-dimensional collision between two particles. The user chooses the mass, the initial velocity (magnitude and direction), and the coefficient of restitution. An animation shows the motions of the particles before and after the collision, and the following information is displayed: final velocity of each particle, impulse of each particle, momentum (initial and final), percentage of conserved momentum, kinetic...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics, Teaching, Sciences, Dynamics, Momentum, Impulse, Collisions, Force, Motion |
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YP Refraction is a tool to learn all about the refraction of light (Snell's law) in geometrical optics. The program provides a laser source that can be moved around a prism. Six different prisms are available: a simple frontier between two media of different index of refraction, a semicircular prism, square prism, a rectangular prism, two triangular prisms (60°-60°-60° and 90°-45°-45°). The user can change the indices of refraction. The normal...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics, Teaching, Sciences, Geometrical, Ray, Optics, Prisms, Light, Laser |
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YP Circular simulates an object in uniform circular motion and/or an object in simple harmonic motion. Both motions (circular and harmonic) may be animated simultaneously to show that the uniform circular motion is a combination of two simple harmonic motions. Physics teachers use YP Circular to show that the velocity is tangent to the circle and that the centripetal acceleration is directed toward the center of the circle, in a uniform...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics, Teaching, Sciences, Kinematics, Circular, Motion, Centripetal, Acceleration, Simple Harmonic Motion, Simulation |
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YP Slider Crank simulates the motion of a piston activated by a slider crank mechanism. The crank is in uniform rotational motion (constant angular velocity), causing the piston to move with a variable acceleration. Relative lengths of the crank arm and the connecting rod may be changed easily. During the simulation, it is possible to display the following vectors: acceleration, velocity and position, and the following graphs: acceleration,...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics Teaching, Sciences, Kinematics, Rotation, Mechanism Mechanical Engineering, Simulation, Animation, Vectors, Graphs |
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YP Projectiles is a projectile motion simulator used in physics classes. To simulate a trajectory, the user chooses the initial velocity (magnitude and direction), the vertical displacement component and the gravitational acceleration. The software simulates the parabolic trajectory and writes its main characteristics: range, maximum height reached, etc. During the simulation, it is possible to display three vectors: acceleration, velocity and...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics Teaching, Sciences, Parabolic Motion, Kinematics, Vectors, Graphs, Projectile, Accelerated Motion, Two Dimensional Motion, Animation |
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YP Planetary Gear is designed to assist teachers and students when they study the working of a planetary gear train. (this software is not related in any way with astronomy). A planetary gear train is a mechanism consisting of an assembly of meshed gears: the sun gear, the planet carrier, and the ring gear. The automatic transmission in an automobile uses the planetary gear train to transmit power from the engine to the wheels at various...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Physics Teaching, Sciences, Kinematics, Rotation, Mechanism, Mechanical Engineering, Transmission, Simulation, Animation, Speed |