How did the ball move when you pushed or pulled it? What happened when you stopped pushing or pulling? Why did the ball roll farther on the smooth surface than on the rough surface... How did the ball move when you pushed or pulled it? What happened when you stopped pushing or pulling? Why did the ball roll farther on the smooth surface than on the rough surface? What does this tell you about friction? What happened to the ball when you pulled on the string? What does this tell you about tension?
Understand the Problem
The question involves investigating the effects of various forces on a ball, including pushing, pulling, friction, and tension. The user needs to observe the ball's movement and analyze the changes in motion based on different conditions.
Answer
The ball moves with the force, slows when stopped. Rolls farther on smooth surfaces due to less friction. Tension moves the ball via the string.
When pushed or pulled, the ball moves in the direction of the force applied. When the force stops, the ball gradually slows down due to friction. On a smooth surface, the ball rolls farther because there's less friction than on a rough surface. Friction opposes motion, affecting how far and smoothly the ball rolls. Pulling the ball with a string demonstrates tension, as the force transmitted through the string moves the ball.
Answer for screen readers
When pushed or pulled, the ball moves in the direction of the force applied. When the force stops, the ball gradually slows down due to friction. On a smooth surface, the ball rolls farther because there's less friction than on a rough surface. Friction opposes motion, affecting how far and smoothly the ball rolls. Pulling the ball with a string demonstrates tension, as the force transmitted through the string moves the ball.
More Information
Friction is the force resisting the relative motion of surfaces, decreasing rolling distance. Tension transfers force through strings, cables, etc.
Tips
A common mistake is not accounting for friction's role in stopping motion or underestimating the impact of surface texture.
Sources
- Rolling Motion | University Physics - courses.lumenlearning.com
- Forces Lesson: Can a Surface Push on a Moving Object? - cpp.edu
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