Lug is slang for to carry something. Carry a suitcase, or lug a suitcase.
You should always lock your suitcase. There are thieves everywhere.
Always pack your essentials in your carry on suitcase. Think about what you'd hate to do without on your vacation and put that in your carry on suitcase. If you're taking a purse, instead of using it for your second piece of carry on, pack a small purse in the carry on and use a small piece of luggage such as a makeup case or duffel bag for your second carry on.
Yes but no lighter
Your balls
as long as you have it in a suitcase and not a carry on
yes
A Samsonite Carry On suitcase can be bought from many locations. Either from the manufacturer themselves or from stores that sell luggage such as Target or Macys.
A suitcase is a second-class lever because the load (suitcase contents) is between the fulcrum (hinge or handle) and the effort (force applied to lift or carry the suitcase). This lever arrangement allows for increased mechanical advantage, making it easier to lift and carry the load.
2 at a time
Yes, I assume you are talking about flying. As a checked bag there are no limits on fluids but as a carry on you only get 1 Quart of fluids and each individual container has to be less than 3 oz.
usually most carriers allow slightly larger suitcases, however it should be avoided unless the cases are considerably smaller in either of the other dimensions