diff --git a/src/funktion.c b/src/funktion.c
index 814bb06..f2df238 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -379,4 +379,11 @@ double velocity(double v0, double a, double t)
 double position(double x0, double v0, double a, double t) 
 {
     return x0 + v0 * t + 0.5 * a * t * t;
+}
+double force(double m, double a) 
+{
+    double result;
+    result = m * a;
+    printf("%f", result);
+    return result;
 }
\ No newline at end of file
diff --git a/src/funktion.h b/src/funktion.h
index 3d02d4b..0aca77e 100644
--- a/src/funktion.h
+++ b/src/funktion.h
@@ -68,5 +68,6 @@ double substraction_2Zahlen(double sZahl1,double sZahl2);
 double substraction_3Zahlen(double sZahl1,double sZahl2,double sZahl3);
 double velocity(double v0, double a, double t);
 double position(double x0, double v0, double a, double t);
+double force(double m, double a);
 
 #endif
diff --git a/src/main.c b/src/main.c
index 8aa9dcd..16ec372 100644
--- a/src/main.c
+++ b/src/main.c
@@ -310,4 +310,10 @@ int main()
     a=getValue('A');
     t=getValue('T');
     position(x0, v0, a, t);
+
+    printf("Gib die Masse m ein: ");
+    m=getValue('M');
+    printf("Gib die Beschleunigung a ein: ");
+    a=getValue('A');
+    force(m, a);
 }