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The block shown in (Figure 1) has a mass of m= 90 kg, a height H = 1.8 m, and width L = 2.4 m. It is resting on a ramp that makes an angle = 23° with the horizontal. A force P is applied parallel to the surface of the ramp at the top of the block. What is the maximum force that can be applied without causing the block to move? The coefficient of static friction is μ = 0.41, and the center of mass of the block is at the center of the rectangle. Claus There are two ways the block can move: by slipping up the ramp or by tipping over. First consider the block slipping up the ramp. What is the magnitude of the normal force between the block and the ramp? Express your answer to three significant figures with appropriate units. N- Value Submit Part B 4 Request Answer Pilip Value Part C What is the maximum magnitude of P that can be applied before slipping would occur, assuming the block does not tip? Express your answer to three significant figures with appropriate units. Submit Request Answer C Units DMC ? Units 3? Now consider the case of impending tipping. Where do the normal force and friction force act in this case? O At the midpoint of the bottom edge of the block. O At the edge of the block closest to the bottom of the ramp. O At the point directly below the center of gravity of the block. O At the edge of the block closest to the top of the ramp. O At an unknown point along the bottom edge of the block.

The block shown in (Figure 1) has a mass of m= 90 kg, a height H = 1.8 m, and width L = 2.4 m. It is resting on a ramp that makes an angle = 23° with the horizontal. A force P is applied parallel to the surface of the ramp at the top of the block. What is the maximum force that can be applied without causing the block to move? The coefficient of static friction is μ = 0.41, and the center of mass of the block is at the center of the rectangle. Claus There are two ways the block can move: by slipping up the ramp or by tipping over. First consider the block slipping up the ramp. What is the magnitude of the normal force between the block and the ramp? Express your answer to three significant figures with appropriate units. N- Value Submit Part B 4 Request Answer Pilip Value Part C What is the maximum magnitude of P that can be applied before slipping would occur, assuming the block does not tip? Express your answer to three significant figures with appropriate units. Submit Request Answer C Units DMC ? Units 3? Now consider the case of impending tipping. Where do the normal force and friction force act in this case? O At the midpoint of the bottom edge of the block. O At the edge of the block closest to the bottom of the ramp. O At the point directly below the center of gravity of the block. O At the edge of the block closest to the top of the ramp. O At an unknown point along the bottom edge of the block.

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter14: Static Equilibrium, Elasticity, And Fracture
Section: Chapter Questions
Problem 64PQ: A One end of a metal rod of weight Fg and length L presses against a corner between a wall and the...
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The block shown in (Figure 1) has a mass of m = 90 kg, a height H = 1.8 m, and width L = 2.4 m . It is resting on a ramp that makes an angle = 23° with the horizontal. A force P is applied parallel to the surface of the ramp at the top of the block. What is the maximum force that can be applied without causing the block to move? The coefficient of static friction is μ = 0.41, and the center of mass of the block is at the center of the rectangle. Figure 0 H ^ 1 of 1 Part A There are two ways the block can move: by slipping up the ramp or by tipping over. First consider the block slipping up the ramp. What is the magnitude of the normal force between the block and the ramp? Express your answer to three significant figures with appropriate units. N = Submit Part B Pslip = Submit Part C uА Value What is the maximum magnitude of P that can be applied before slipping would occur, assuming the block does not tip? Express your answer to three significant figures with appropriate units. Request Answer 00 uA Value Request Answer Units Submit Request Answer Part D Complete previous part(s) ? Units Now consider the case of impending tipping. Where do the normal force and friction force act in this case? Part E Complete previous part(s) O At the midpoint of the bottom edge of the block. O At the edge of the block closest to the bottom of the ramp. At the point directly below the center of gravity of the block. At the edge of the block closest to the top of the ramp. O At an unknown point along the bottom edge of the block. ?
Transcribed Image Text:The block shown in (Figure 1) has a mass of m = 90 kg, a height H = 1.8 m, and width L = 2.4 m . It is resting on a ramp that makes an angle = 23° with the horizontal. A force P is applied parallel to the surface of the ramp at the top of the block. What is the maximum force that can be applied without causing the block to move? The coefficient of static friction is μ = 0.41, and the center of mass of the block is at the center of the rectangle. Figure 0 H ^ 1 of 1 Part A There are two ways the block can move: by slipping up the ramp or by tipping over. First consider the block slipping up the ramp. What is the magnitude of the normal force between the block and the ramp? Express your answer to three significant figures with appropriate units. N = Submit Part B Pslip = Submit Part C uА Value What is the maximum magnitude of P that can be applied before slipping would occur, assuming the block does not tip? Express your answer to three significant figures with appropriate units. Request Answer 00 uA Value Request Answer Units Submit Request Answer Part D Complete previous part(s) ? Units Now consider the case of impending tipping. Where do the normal force and friction force act in this case? Part E Complete previous part(s) O At the midpoint of the bottom edge of the block. O At the edge of the block closest to the bottom of the ramp. At the point directly below the center of gravity of the block. At the edge of the block closest to the top of the ramp. O At an unknown point along the bottom edge of the block. ?
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