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- Question
A weight of 100 kg is supported by a string whose ends are attached to pegs A and B at the same level shown in below figure. The tension in the string is
Options- A. 50 kg
- B. 75 kg
- C. 100 kg
- D. 120 kg.
- Correct Answer
- 100 kg
- 1. Total no of instantaneous centres of a machine having n links, is
Options- A. n/2
- B. n
- C. (n - 1)
- D.
Discuss
- 2. The units of inertia of mass, are
Options- A. kg/m
- B. kg/m2
- C. m4
- D. m3
- E. kg-m2. Discuss
- 3. A retarding force on a body does not
Options- A. change the motion of the body
- B. retard the motion of the body
- C. introduce the motion of the body
- D. none of these. Discuss
- 4. From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The c.g. of the remainder shifts from the original position through
Options- A. 0.25 cm
- B. 0.50 cm
- C. 0.75 cm
- D. 1.00 cm. Discuss
- 5. A stone is whirled in a vertical circle, the tension in the string, is maximum
Options- A. when the string is horizontal
- B. when the stone is at the highest position
- C. when the stone is at the lowest position
- D. at all the positions. Discuss
- 6. Energy may be defined as
Options- A. power of doing work
- B. capacity of doing work
- C. rate of doing work
- D. all the above. Discuss
- 7. A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is
Options- A. 17° 48'
- B. 18° 48'
- C. 19° 48'
- D. 20° 48'
- E. 21° 48'. Discuss
- 8. From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of
Options- A. 2.0 cm
- B. 1.5 cm
- C. 1.0
- D. 0.5 cm. Discuss
- 9. To double the period of oscillation of a simple pendulum
Options- A. the mass of its bob should be doubled
- B. the mass of its bob should be quadrupled
- C. its lenght should be quadrupled
- D. its length should be doubled. Discuss
- 10. A particle executes a simple harmonic motion. While passing through the mean position, the particle possesses
Options- A. maximum kinetic energy and minimum potential energy
- B. maximum kinetic energy and maximum potential energy
- C. minimum kinetic energy and maximum potential energy
- D. minimum kinetic, energy and minimum potential energy
- E. none of these. Discuss
Applied Mechanics problems
Search Results
Correct Answer:
Correct Answer: kg-m2.
Correct Answer: retard the motion of the body
Correct Answer: 0.50 cm
Correct Answer: when the stone is at the lowest position
Correct Answer: capacity of doing work
Correct Answer: 19° 48'
Correct Answer: 0.5 cm.
Correct Answer: its lenght should be quadrupled
Correct Answer: maximum kinetic energy and minimum potential energy
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