Thanks, Shooting Star! That makes sense - it's equal an equal and opposite force - the force of the jack pushing up, and the force of the trailer pushing down on the jack.
Since the trailer jack can handle the weight of the trailer and being lifted up by 2 feet (by a car jack), the trailer...
Homework Statement
Hello.
I am trying to lift a trailer with a car jack. The trailer weighs about 2,000 lbs. The trailer has a "trailer jack" unit which is attached to the trailer. Now, I believe we have two forces so far: 1) The force of the weight of the trailer pushing down on the...