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A block of mass 83 kg rests on a rough horizontal surface, and is subjected to a pushing force F: of 731 N acting downwards on the block on the left hand side at an angle 81 of 68 degrees to the horizontal, and a pulling force F2 of 54 N acting upwards on the block on the right hand side at an angle 2 of 29 degrees to the horizontal, as shown in Figure Q10. F1 Push F2 Pull 01 02 Mass (kg) Figure Q10: Figure Q10: Given that the block, shown in Figure Q10, is on the verge of slipping, calculate the quantities in (a)-(c) below: Working to 4 significant figures, calculate: (a) Calculate the normal reaction force between the block and the surface and indicate its direction. N: N with direction Select (b) Calculate the limiting frictional force and indicate its direction. FL: (c) The coefficient of friction N with direction Select

A block of mass 83 kg rests on a rough horizontal surface, and is subjected to a pushing force F: of 731 N acting downwards on the block on the left hand side at an angle 81 of 68 degrees to the horizontal, and a pulling force F2 of 54 N acting upwards on the block on the right hand side at an angle 2 of 29 degrees to the horizontal, as shown in Figure Q10. F1 Push F2 Pull 01 02 Mass (kg) Figure Q10: Figure Q10: Given that the block, shown in Figure Q10, is on the verge of slipping, calculate the quantities in (a)-(c) below: Working to 4 significant figures, calculate: (a) Calculate the normal reaction force between the block and the surface and indicate its direction. N: N with direction Select (b) Calculate the limiting frictional force and indicate its direction. FL: (c) The coefficient of friction N with direction Select

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A block of mass 83 kg rests on a rough horizontal surface, and is subjected to a pushing force F₁ of 731 N acting downwards on the block on the left hand side at an angle 81 of 68 degrees to the horizontal, and a pulling force F₂ of 54 N acting upwards on the block on the right hand side at an angle 2 of 29 degrees to the horizontal, as shown in Figure Q10.

 

Figure Q10:

 

Given that the block, shown in Figure Q10, is on the verge of slipping, calculate the quantities in (a)-(c) below:

 

Working to 4 significant figures, calculate:

 

(a) Calculate the normal reaction force between the block and the surface and indicate its direction.

 

N:                                                  N with direction Select

 

(b) Calculate the limiting frictional force and indicate its direction.

 

FL:                                                   N with direction Select

 

 

 

(c) The coefficient of friction

A block of mass 83 kg rests on a rough horizontal surface, and is subjected to a pushing force F: of 731 N acting downwards on the block on the left hand side at an angle 81 of 68 degrees to the horizontal, and a pulling force F2 of 54 N acting upwards on the block on the right hand side at an angle 2 of 29 degrees to the horizontal, as shown in Figure Q10. F1 Push F2 Pull 01 02 Mass (kg) Figure Q10: Figure Q10: Given that the block, shown in Figure Q10, is on the verge of slipping, calculate the quantities in (a)-(c) below: Working to 4 significant figures, calculate: (a) Calculate the normal reaction force between the block and the surface and indicate its direction. N: N with direction Select (b) Calculate the limiting frictional force and indicate its direction. FL: (c) The coefficient of friction N with direction Select
Transcribed Image Text:A block of mass 83 kg rests on a rough horizontal surface, and is subjected to a pushing force F: of 731 N acting downwards on the block on the left hand side at an angle 81 of 68 degrees to the horizontal, and a pulling force F2 of 54 N acting upwards on the block on the right hand side at an angle 2 of 29 degrees to the horizontal, as shown in Figure Q10. F1 Push F2 Pull 01 02 Mass (kg) Figure Q10: Figure Q10: Given that the block, shown in Figure Q10, is on the verge of slipping, calculate the quantities in (a)-(c) below: Working to 4 significant figures, calculate: (a) Calculate the normal reaction force between the block and the surface and indicate its direction. N: N with direction Select (b) Calculate the limiting frictional force and indicate its direction. FL: (c) The coefficient of friction N with direction Select
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