Learning Path
Question & Answer
Choose the Best Answer
Approximately 31 degrees
Approximately 45 degrees
Approximately 60 degrees
Approximately 75 degrees
Understanding the Answer
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Static friction stops the block when the downhill pull is just equal to the friction force that can act. Other options are incorrect because Some think the block can stay on the 45° incline itself because the slope is 45°; A few students guess 60° because they confuse the coefficient with a direct angle.
Key Concepts
Friction Forces Analysis
medium level question
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Deep Dive: Friction Forces Analysis
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Definition
Friction Forces Analysis involves examining the direction and magnitude of forces, such as gravitational and frictional forces, acting on objects in different scenarios. By understanding how these forces interact, we can determine if an object will accelerate, remain stationary, or move in a particular direction based on friction coefficients and external influences.
Topic Definition
Friction Forces Analysis involves examining the direction and magnitude of forces, such as gravitational and frictional forces, acting on objects in different scenarios. By understanding how these forces interact, we can determine if an object will accelerate, remain stationary, or move in a particular direction based on friction coefficients and external influences.
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