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Collision Carts Simulator Pro for Android

Developer's Description

Free https://play.google.com/store/apps/details?id=com.ionicframework.collisioncartapp170147

Pro https://play.google.com/store/apps/details?id=com.ionicframework.collisioncart thank you for your support!

About

An open source physics at Singapore simulation based on codes written by Loo Kang Wee and Sze Yee Lye.

more resources can be found here

http://iwant2study.org/ospsg/index.php/interactive-resources/physics/02-newtonian-mechanics/02-dynamics

Introduction

Momentum One Dimension Collision Model

The motion of a body of mass m and velocity v is described by a vector quantity known as momentum p where

p = mv

When objects collide, whether trains, cars, billiard balls, shopping carts, or your foot and the sidewalk, the results can be complicated. Yet even in the most chaotic of collisions, as long as there are no net external forces acting on the colliding objects, one principle always holds and provides an excellent tool for understanding the collision. That principle is called the conservation of linear momentum which states that

The total momentum of a system remains constant provided that no external resultant force acts on the system

For two bodies colliding linearly, it is written mathematically as a vector equation

Total initial momentum = total final momentum

m1.u1 + m2.u2 = m1.v1 + m2.v2

If external forces (such as friction) are ignored, the total momentum of two carts prior to a collision (left side of the equation) is the same as the total momentum of the carts after the collision (right side of the equation).

Collisions are classified into elastic (or perfectly elastic), inelastic and completely inelastic.

There is also a concept of the kinetic energy of a moving body is stated mathematically by the following equation:

KE1 = m1.v12

Main Simulation View

The simulation has 2 collision carts on frictionless floor and wheels.

Sliders

Explore the sliders allows varying the variables.

* mass of cart ONE, mass_1, m1 in kg

* initial velocity of cart ONE, u1 in m/s

* mass of cart TWO, mass_2, m2 in kg

* initial velocity of cart TWO, u2 in m/s

Drop Down Menu

Allows for selecting what kind of collision is simulated.

A Perfectly elastic collision is defined as one in which both conservations of momentum and conservation of kinetic energy are observed

A Perfectly Inelastic collision is defined as one in which conservation of momentum is observed but the colliding carts stick together after the collision with kinetic energy loss

DropDown Menu

show: velocity, for visualizing the velocity vector

plot momentum vs time graph, for different representation of data for the momentum of cart 1, 2 and both.

plot kinetic energy vs time graph, for different representation of data for the kinetic energy of cart 1, 2 and both.

hint: COM, for the equation of conservation of momentum

hint: COKE, or the equation of conservation of kinetic energy

Buttons

Play

Step Forward

Reset

have their usual meaning.

Interesting Fact

This simulation has real and ideal collision simulator targeted for A level Physics education.

Acknowledgment

My sincere gratitude for the tireless contributions of Francisco Esquembre, Fu-Kwun Hwang, Wolfgang Christian, Flix Jess Garcia Clemente, Anne Cox, Andrew Duffy, Todd Timberlake and many more in the Open Source Physics community.

Full Specifications

What's new in version 0.0.4

General

Release October 15, 2020
Date Added October 15, 2020
Version 0.0.4

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 4.4 and up

Popularity

Total Downloads 0
Downloads Last Week 0
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