question: Mike is trying to make two different things slide across the ground. One is block, the other is a chair. The thing that will be easiest to push has
choices.text: more mass less mass
choices.label: A B
para: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
para_anno.effect_prop: weight
para_anno.cause_dir_str: harder
para_anno.effect_dir_str: heavier
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: difficult
question_anno.more_effect_dir: more
question_anno.less_effect_dir: less
question_anno.less_cause_prop: things
question_anno.more_effect_prop: mass
question_anno.less_effect_prop: mass
question_anno.less_cause_dir: mass