Discussion
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- Question
Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.
Options- A. two times
- B. same
- C. half
- Correct Answer
- two times
- 1. Moment of inertia is the
Options- A. second moment of force
- B. second moment of area
- C. second moment of mass
- D. all of these Discuss
- 2. If the resultant of a number of forces acting on a body is zero, then the body will not be in equilibrium.
Options- A. Yes
- B. No Discuss
- 3. The forces, which do not meet at one point, but their lines of action lie on the same plane, are known as coplaner non-concurrent forces.
Options- A. Agree
- B. Disagree Discuss
- 4. The total motion possessed by a body, is called
Options- A. impulsive force
- B. mass
- C. weight
- D. momentum Discuss
- 5. The moment of a force
Options- A. is the turning effect produced by a force, on the body, on which it acts
- B. is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
- C. is equal to twice the area of the traingle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken
- D. all of the above Discuss
- 6. The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)
Options- A. P = mW - C
- B. P = m/W + C
- C. P = mW + C
- D. P = C - mW Discuss
- 7. The centre of gravity a T-section 100 mm x 150 mm x 50 mm from its bottom is
Options- A. 50mm
- B. 75mm
- C. 87.5mm
- D. 125mm Discuss
- 8. The moment of inertia of a solid sphere of mass m and radius r is
Options- A. 2mr2/3
- B. 2mr2/5
- C. mr2
- D. mr2/2 Discuss
- 9. The acceleration of a body sliding down an inclined surface is
Options- A. g sin ?
- B. g cos ?
- C. g tan ?
- D. none of these Discuss
- 10. The friction experienced by a body, when at rest, is known as
Options- A. static friction
- B. dynamic friction
- C. limiting friction
- D. coefficient of friction Discuss
Engineering Mechanics problems
Search Results
Correct Answer: all of these
Correct Answer: No
Correct Answer: Agree
Correct Answer: momentum
Correct Answer: all of the above
Correct Answer: P = mW + C
Correct Answer: 87.5mm
Correct Answer: 2mr2/5
Correct Answer: g sin ?
Correct Answer: static friction
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