Question:
A ball starts rolling down a slope as shown in the figure below. All units shown are in meters. The floor has very little friction. Which of the following is true after a long time?
A ball starts rolling down a slope as shown in the figure below. All units shown are in meters. The floor has very little friction. Which of the following is true after a long time?
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In low friction conditions, an object will keep moving unless it encounters a stop or change in the surface.
Updated On: Jan 12, 2026
- The ball will come to rest at P
- The ball will come to rest at Q
- The ball will come to rest at R
- The ball will continue to be in motion at point S
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The Correct Option is D
Solution and Explanation
Step 1: Analyzing the slope.
The ball is rolling down a slope with very little friction. As there is little friction, the ball will maintain its motion unless an obstacle or an incline prevents it.
Step 2: Understanding the behavior of the ball.
- The ball will continue rolling until it reaches a flat surface or an incline where it can maintain motion. - Point S lies at the end of the slope, and there is no indication of a stop, so the ball will continue to be in motion there.
\[ \boxed{(D) \, \text{The ball will continue to be in motion at point S.}} \]
The ball is rolling down a slope with very little friction. As there is little friction, the ball will maintain its motion unless an obstacle or an incline prevents it.
Step 2: Understanding the behavior of the ball.
- The ball will continue rolling until it reaches a flat surface or an incline where it can maintain motion. - Point S lies at the end of the slope, and there is no indication of a stop, so the ball will continue to be in motion there.
\[ \boxed{(D) \, \text{The ball will continue to be in motion at point S.}} \]
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