A ball rolled along a horizontal surface maintains a constant speed because
2 answers:
There is no friction witch is impossible but good question.
Gravity is in the vertical direction, so there's no horizontal force on the ball to rob kinetic energy from it. (except friction with the floor and the air ...)
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Hey there!
Hope this helps you!
Greater water pressure acts on the bottom than on the top
The momentum of two or more objects during collisions is not lost nor gained
Answer:
Removing some of the books reduced the mass of the box, and less force was needed to push it across the floor.
5 km northeast. Left and up would make northeast
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