/*  File: accelmultiplefunctions.c
    Calculate acceleration
    both force and acceleration are calculated using functions */
    
#include <stdio.h>
#define M_G 9.81

//Calculate the force

double force(double t)
{
    double p;
    p = 4*(t-3)+20;
    printf("Froce p=%f(N)\n",p);
    return p;
}

double accel(double t, double mu, double m)
{
    double a,p;
    
    p = force(t);
    a = (p-mu*m*M_G)/m;
    return a;
}

int main()
{
    double a, mu, m, t;
    
    mu = 0.2;
    m = 5;
    t = 2;
    printf("Acceleration a = %f (m/s^2)\n",accel(t,mu,m));
    return 0;
}