Answer:
[tex]\boxed {\boxed {\sf 18 \ Newtons }}[/tex]
Explanation:
Force can be found by multiplying the mass by the acceleration.
[tex]F=m*a[/tex]
The mass of the cart is 3 kilograms and the acceleration is 6 meters per second squared.
[tex]m= 3 \ kg \\a = 6 \ m/s^2[/tex]
Substitute the values into the formula.
[tex]F= 3 \ kg * 6 \ m/s^2[/tex]
Multiply.
[tex]F= 18 \ kg*m/s^2[/tex]
[tex]F= 18 \ N[/tex]
The force exerted is 18 Newtons