PLEASE HELP! Suppose that a monster truck runs into a small car. Is the moment conserved? Why or why not?

Thanks in advance to whoever answers!

Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?

What property of an object determines its inertia?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?