e drill is jammed in the wall and is subjected to the torque and force shown in . rt A JA -215 MPa rt B Correct rt C a 20 N-m 125 mm Determine the normal stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ANSWER: Correct Determine the transverse stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units. ANSWER: ((Tay)v) A = 0 MPa 400 mm Section a-a -5 mm Determine the torsional stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units. ANSWER: ((Txz)T) A = 150 N
e drill is jammed in the wall and is subjected to the torque and force shown in . rt A JA -215 MPa rt B Correct rt C a 20 N-m 125 mm Determine the normal stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ANSWER: Correct Determine the transverse stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units. ANSWER: ((Tay)v) A = 0 MPa 400 mm Section a-a -5 mm Determine the torsional stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units. ANSWER: ((Txz)T) A = 150 N
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![**Problem 7**
The drill is jammed in the wall and is subjected to the torque and force shown in the diagram.
**Diagram Description:**
The diagram illustrates a hand-held drill. It shows the following dimensions and forces:
- The drill extends horizontally and has a torque of 20 N·m at the drill bit.
- A force of 150 N is applied vertically downward at the handle.
- The horizontal distance from the bit to the handle's force application point is 400 mm.
- The section labeled \( a - a \) is located 125 mm from the handle, closer to the drill bit.
- The drill bit has a diameter of 5 mm at section \( a - a \).
**Part A**
Determine the normal stress at point \( A \) on the cross-section of the drill bit at section \( a - a \).
*Express your answer to three significant figures and include the appropriate units. Enter a negative value in the case of compression and a positive value in the case of tension.*
- **ANSWER:** \(\sigma_A = -215 \, \text{MPa}\)
**Correct**
**Part B**
Determine the transverse stress at point \( A \) on the cross-section of the drill bit at section \( a - a \).
*Express your answer to three significant figures and include the appropriate units.*
- **ANSWER:** \((\tau_{xy})_A = 0 \, \text{MPa}\)
**Correct**
**Part C**
Determine the torsional stress at point \( A \) on the cross-section of the drill bit at section \( a - a \).
*Express your answer to three significant figures and include the appropriate units.*
- **ANSWER:** \((\tau_{xz})_A =\)
[Space provided for answer input]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7b002be2-a0e9-487a-89a5-d1c9ec8a26a8%2Fd0a0bbc0-cfe5-4e3e-8ee2-57449341acaa%2Fu5zcgl7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem 7**
The drill is jammed in the wall and is subjected to the torque and force shown in the diagram.
**Diagram Description:**
The diagram illustrates a hand-held drill. It shows the following dimensions and forces:
- The drill extends horizontally and has a torque of 20 N·m at the drill bit.
- A force of 150 N is applied vertically downward at the handle.
- The horizontal distance from the bit to the handle's force application point is 400 mm.
- The section labeled \( a - a \) is located 125 mm from the handle, closer to the drill bit.
- The drill bit has a diameter of 5 mm at section \( a - a \).
**Part A**
Determine the normal stress at point \( A \) on the cross-section of the drill bit at section \( a - a \).
*Express your answer to three significant figures and include the appropriate units. Enter a negative value in the case of compression and a positive value in the case of tension.*
- **ANSWER:** \(\sigma_A = -215 \, \text{MPa}\)
**Correct**
**Part B**
Determine the transverse stress at point \( A \) on the cross-section of the drill bit at section \( a - a \).
*Express your answer to three significant figures and include the appropriate units.*
- **ANSWER:** \((\tau_{xy})_A = 0 \, \text{MPa}\)
**Correct**
**Part C**
Determine the torsional stress at point \( A \) on the cross-section of the drill bit at section \( a - a \).
*Express your answer to three significant figures and include the appropriate units.*
- **ANSWER:** \((\tau_{xz})_A =\)
[Space provided for answer input]
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