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Chapter:

Friction

1. The supports in 3D are having more than three reaction forces. Because y are having three axis on which components of forces need to be zero, so as to equilibrate potential energy.


Hint Answer

2. We first make equilibrium equations of body by considering all three dimensional forces and n free body diagram is made and solved. Thus criteria for potential energy equilibrium.


Hint Answer

3. Which of following is correct for forces which are considered in potential energy calculations?


Hint Answer

4. For stability of equilibrium configuration net moment acting on body by various forces is zero.


Hint Answer

5. Calculate frictional force developed between body and surface due to work done by force.

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Calculate frictional force developed between body and surface due to work done by force.\r\n\r\n\r\nadvertisement\r\n\r\n\r\n\r\n\r\n\r\n\r\nadvertisement\r\n\r\n\r\n\r\n\r\n


Hint Answer

6. ________ is phenomena that resist movement of two surfaces in contact. This phenomenon is also having its scope in work and conservative nature of force.


Hint Answer

7. Determine vertical components of reaction on beam caused by pin at Q.

Determine vertical components of reaction on beam caused by pin at Q.\r\n


Hint Answer

8. The supports in 3D are having more than three reaction forces. Because y are having three axis on which components of work done need to be zero.


Hint Answer

9. What is Newton’s second law for work?


Hint Answer

10. Air also resist body in motion. The maximum value of frictional force is called _____


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Topics

This Chapter Friction consists of the following topics

Principle of Virtual Work

The supports in 3D are having more than three reaction forces. Because y are having three axis on which components of forces need to be zero, so as to equilibrate potential energy.

;

We first make equilibrium equations of body by considering all three dimensional forces and n free body diagram is made and solved. Thus criteria for potential energy equilibrium.

;

Which of following is correct for forces which are considered in potential energy calculations?

;

For stability of equilibrium configuration net moment acting on body by various forces is zero.

;

Calculate frictional force developed between body and surface due to work done by force.

advertisement
advertisement

Calculate frictional force developed between body and surface due to work done by force.\r\n\r\n\r\nadvertisement\r\n\r\n\r\n\r\n\r\n\r\n\r\nadvertisement\r\n\r\n\r\n\r\n\r\n

;

________ is phenomena that resist movement of two surfaces in contact. This phenomenon is also having its scope in work and conservative nature of force.

;

Determine vertical components of reaction on beam caused by pin at Q.

Determine vertical components of reaction on beam caused by pin at Q.\r\n

;

The supports in 3D are having more than three reaction forces. Because y are having three axis on which components of work done need to be zero.

;

What is Newton’s second law for work?

;

Air also resist body in motion. The maximum value of frictional force is called _____

;