Vzhari Krel
iOS app by Dmytro Sydoryshyn. Education · Dmytro Sydoryshyn
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-12
View the original store listing
Store description excerpt
Vzhari Krel puts a fully interactive classical mechanics laboratory in your hands. Watch Newton's laws come alive through seven real-time physics engines — elastic and inelastic collisions, single and double pendulums, Newton's cradle, projectile ballistics through a peg field, a block on an inclined plane, orbital gravity, and mass-spring oscillators. Every body obeys the same equations of motion that govern the physical world, integrated frame-by-frame with a symplectic solver that keeps energy honest across long runs. See the physics, not just the motion. Gold velocity vectors and red force vectors overlay every body in real time, so you always know what is happening and why. The live measurement sheet tracks kinetic energy, potential energy, and total mechanical energy on a rolling graph, and a conservation badge lights up the moment a system's invariant holds within tolerance. Drag a slider to adjust mass, restitution, gravity, launch angle, or spring constant and watch every vector and graph respond instantly. Go further with the freeform Studio mode. Place balls, heavy masses, fixed anchors, and gravity attractors, then connect them with springs, threads, or walls to build any scene you can imagine. Switch from edit to play with a tap, undo mistakes freely, and save named sandboxes to revisit later. Sixteen curated presets — circular orbit, billiards, double-pendulum chaos, escape trajectory, and more — give you a running start, and every preset is fully editable. Vzhari Krel is built for students, educators, and anyone curious about how the physical world works. Load a photo from your camera roll as a simulation backdrop, export any frame to your gallery, and explore the built-in reference guide covering conservation of momentum, conservation of energy, coefficient of restitution, and what every on-screen vector means.
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