Inertia is the ability of the object<span> to resist changes in the state of motion.</span>
A bowling ball has more inertia because it has more mass than a tennis ball.
A hammer has more inertia than a feather because hammer has more mass than a feather
Because those broken equipment and glassware might eventually hurt other people around it.
You should tell your teacher (because your teacher is responsible for the well being of all the students in the class) and so he/she could bring up that problem to the school management and replace that equipment/ glassware for the new one.
I believe the answer is: Plurality system
In the plurality system, the voters are only allowed to choose for one candidate and the winners would be determined by counting who obtain the most votes compared to the other counterparts.
Currently, plurality system is the most adopted system in the world, which is used by almost all countries who use democratic principle in the government.
