Which word is described by this riddle poem. (hint: jails and phones) my first is in cars but isn't in bars my second's in dance, but not in pants my third is in lame, my fourth is the same. what word could i possibly be?

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?