Pressure is explained as the force (a push or a pull) applied on a surface, divided by the total area over which the force is applied. For example, more pressure is exerted under Abby’s heel wearing spiked heel shoes than under Abby’s heel wearing flat heeled shoes.
In figure A, the man is walking in snow with snowshoes and does not sink into the deep snow. In figure B, the man has no snowshoes on and immediately sinks into the deep snow.
What would cause the man in figure A to sink less deeply into the snow than the man in figure B?
A. The man in figure B is much heavier than the man in figure A.
B. The man in figure A is much heavier than the man in figure B.
C. The man in figure A has his weight spread out over the area covered by the snowshoe, which lessens the pressure.
D. The man in figure B has his weight spread out over the small area covered by his running shoes, which lessens the pressure.
E. The man in figure A has his weight spread out over the area covered by the snowshoe, which increases the pressure.
Answer: C
Leave a Reply