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A 120 N iron ball rests on a 20° smooth incline. What is the tension in the rope, hung at 40° below horizontal, which prevents the ball from sliding or rolling down the incline? a. 44N b. 50N c. 54N d. 60N

A 120 N iron ball rests on a 20° smooth incline. What is the tension in the rope, hung at 40° below horizontal, which prevents the ball from sliding or rolling down the incline? a. 44N b. 50N c. 54N d. 60N

College Physics
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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A 120 N iron ball rests on a 20° smooth incline. What is the tension in the rope, hung at 40° below horizontal, which

prevents the ball from sliding or rolling down the incline?

a. 44N

b. 50N

c. 54N

d. 60N

The image is a simple mechanical diagram illustrating a physical scenario involving angles. ### Description: - **Components:** - A surface inclined at an angle of **20°** with the horizontal. - A ball or object resting on the inclined surface. - A rope or line that forms an angle of **40°** with the vertical. ### Explanation: - **Inclined Surface:** - The inclined surface creates an angle of 20° with the horizontal base, indicating a slope. This is often used to demonstrate the effects of gravitational force on objects. - **Object (Ball):** - The object, represented as a circle, is resting on the sloped line. This suggests the analysis of forces acting on bodies on an incline, like gravitational force, normal force, and friction. - **Rope/Line Angle:** - The rope is attached above the object and forms a 40° angle with the vertical, which may represent tension in the line. This angle could indicate a component of force aiding or opposing the movement of the object on the incline. This diagram might be used to discuss principles of physics such as static and kinetic friction, tension forces, and components of forces acting on an object on an inclined plane.
Transcribed Image Text:The image is a simple mechanical diagram illustrating a physical scenario involving angles. ### Description: - **Components:** - A surface inclined at an angle of **20°** with the horizontal. - A ball or object resting on the inclined surface. - A rope or line that forms an angle of **40°** with the vertical. ### Explanation: - **Inclined Surface:** - The inclined surface creates an angle of 20° with the horizontal base, indicating a slope. This is often used to demonstrate the effects of gravitational force on objects. - **Object (Ball):** - The object, represented as a circle, is resting on the sloped line. This suggests the analysis of forces acting on bodies on an incline, like gravitational force, normal force, and friction. - **Rope/Line Angle:** - The rope is attached above the object and forms a 40° angle with the vertical, which may represent tension in the line. This angle could indicate a component of force aiding or opposing the movement of the object on the incline. This diagram might be used to discuss principles of physics such as static and kinetic friction, tension forces, and components of forces acting on an object on an inclined plane.
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