When you go ice skating, you need:, High friction, Low friction, I am using a nail file to file my nails. The nail file has:, High friction, Low friction, I am sock skating on the floor. I need:, High friction to slide, Low friction to slide, A bowling ball needs:, High friction to roll down the alley, Low friction to roll down the alley, In winter, cars need:, High friction to drive in the snow, Low friction to drive in the snow, When you see this sign in the hall, it means the floor has , High friction, Low friction, A surfboard needs:, High friction to glide over the water., Low friction to glide over the water., I will slide faster down a slide that has: , High friction , Low friction, Which kind of friction will help me climb faster up a hill?, High friction, Low friction, This dirt bike needs:, High friction to ride ., Low friction to ride..

1.Friction

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