True: 1st Class Lever, 2nd Class Lever, 3rd Class Lever, 3rd Class Lever, 1st Class levers may or may not have mechanical advantage, 1st Class Lever, 2nd Class levers always have mechanical advantage, 3rd class levers are the most common levers, 2nd class levers Resistance is in the middle, Mechanical advantage is over 1, False: 1st Class Lever, 2nd Class Lever, 3rd Class Lever, 3rd class levers have mechanical advantage, 2nd Class levers never have mechanical advantage, 2nd class levers are the most common levers, 3rd class levers Fulcrum is in the middle, 1st class levers effort is in the middle,

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