1. A student attaches a string to a wheeled cart and pulls with constant force on the string. There is no friction between the cart and the table. When the block reaches point B, the string breaks. Which of the following now describes the motion of the cart as it moves across the table? The cart O begins to slow immediately. O continues to accelerate. O moves at constant speed.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Transcription:**

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Refer to the diagram below when answering this question. This question may have more than one correct answer. Sketching a force diagram may help!

![Diagram]

- A stick figure is pulling a wheeled cart with a string over a flat surface. The cart is positioned on a table, and point B is marked on the surface beneath the table to show where the string will break.

**Text:**

A student attaches a string to a wheeled cart and pulls with constant force on the string. **There is no friction between the cart and the table.**

When the block reaches point B, the string breaks. Which of the following now describes the motion of the cart as it moves across the table? The cart:

- ( ) begins to slow immediately.
- ( ) continues to accelerate.
- (•) moves at constant speed.

---

**Explanation of Diagram and Options:**

The diagram depicts a simple physics setup with a person pulling a cart. The cart is in motion because of a constant pulling force. The scenario presents a frictionless surface, emphasizing the principles of Newton's laws of motion.

- **Motion Analysis:**
  - **Slowing Immediately:** This would be plausible if friction or another opposing force was present, but is not applicable here.
  - **Continues to Accelerate:** The cart would only continue to accelerate if the force was still being applied.
  - **Moves at Constant Speed:** Since no external force is acting on it post-string break and there is no friction, the cart will continue at constant speed.

The indicated option in the scenario is "moves at constant speed," aligning with Newton's First Law of Motion.

The diagram aids in visualizing the application of forces, motion dynamics, and the impact of frictionless environments in physics problems.
Transcribed Image Text:**Transcription:** --- Refer to the diagram below when answering this question. This question may have more than one correct answer. Sketching a force diagram may help! ![Diagram] - A stick figure is pulling a wheeled cart with a string over a flat surface. The cart is positioned on a table, and point B is marked on the surface beneath the table to show where the string will break. **Text:** A student attaches a string to a wheeled cart and pulls with constant force on the string. **There is no friction between the cart and the table.** When the block reaches point B, the string breaks. Which of the following now describes the motion of the cart as it moves across the table? The cart: - ( ) begins to slow immediately. - ( ) continues to accelerate. - (•) moves at constant speed. --- **Explanation of Diagram and Options:** The diagram depicts a simple physics setup with a person pulling a cart. The cart is in motion because of a constant pulling force. The scenario presents a frictionless surface, emphasizing the principles of Newton's laws of motion. - **Motion Analysis:** - **Slowing Immediately:** This would be plausible if friction or another opposing force was present, but is not applicable here. - **Continues to Accelerate:** The cart would only continue to accelerate if the force was still being applied. - **Moves at Constant Speed:** Since no external force is acting on it post-string break and there is no friction, the cart will continue at constant speed. The indicated option in the scenario is "moves at constant speed," aligning with Newton's First Law of Motion. The diagram aids in visualizing the application of forces, motion dynamics, and the impact of frictionless environments in physics problems.
**Question with Diagram Explanation**

Refer to the diagram below when answering this question. This question may have more than one correct answer. Sketching a force diagram may help!

*(Diagram Description: A diagram shows a student pulling a wheeled cart using a string. The cart is on a table with an arrow labeled "B" pointing upwards beneath it. The string is being pulled to the right with constant force by the student.)*

A student attaches a string to a wheeled cart and pulls with a **constant force on the string**. **There is no friction between the cart and the table.**

**Question:**
Which of the following describes the motion of the cart while it is pulled with a constant force across the table? The cart:

- ○ slows down gradually to a stop.
- ○ accelerates constantly.
- ● moves at constant speed.

The selected answer is: moves at constant speed.

**Diagram Summary:**
The diagram illustrates a frictionless scenario where a constant force is applied to a cart via a string, suggesting the cart moves at a constant speed as chosen in the answer. This scenario aligns with Newton's First Law of Motion regarding motion in the absence of friction.
Transcribed Image Text:**Question with Diagram Explanation** Refer to the diagram below when answering this question. This question may have more than one correct answer. Sketching a force diagram may help! *(Diagram Description: A diagram shows a student pulling a wheeled cart using a string. The cart is on a table with an arrow labeled "B" pointing upwards beneath it. The string is being pulled to the right with constant force by the student.)* A student attaches a string to a wheeled cart and pulls with a **constant force on the string**. **There is no friction between the cart and the table.** **Question:** Which of the following describes the motion of the cart while it is pulled with a constant force across the table? The cart: - ○ slows down gradually to a stop. - ○ accelerates constantly. - ● moves at constant speed. The selected answer is: moves at constant speed. **Diagram Summary:** The diagram illustrates a frictionless scenario where a constant force is applied to a cart via a string, suggesting the cart moves at a constant speed as chosen in the answer. This scenario aligns with Newton's First Law of Motion regarding motion in the absence of friction.
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