If the roller coaster is moving, it will want to keep moving, along the direction of motion, unless something causes it to speed up or slow down. This resistance of the moving roller coaster to changing its velocity is another example of its inertia. Again, the greater the mass of the body, the more inertia it has.
Matter is a substance and the three types are solid liquid and gas
B force i belive becuase when is done it force
Polar molecules do have ionic bonds
