/* Calculate the acceleation using variables */

#include <stdio.h>

int main()
{
    /*declare variables*/
    double mu = 0.2; //friction coefficient
    double m = 5.0;  //mass
    double p = 20.0; //external force
    
    /*calculate accelearation*/
    double a = (p-mu*m*9.81)/m;
    
    //Display output
    
    printf("Acceleration a = %f (m/s^2)\n", a);
    return 0;
}