Discussion
Home ‣ Civil Engineering ‣ Applied Mechanics Comments
- Question
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by
Options- A. its longer side"
- B. its shorter side"
- C. the diagonal of the parallelogram which does not pass through the point of intersection of the forces"
- D. the diagonal of the parallelogram which passes through the point of intersection of the forces"
- E. half the sum of the diagonals".
- Correct Answer
- the diagonal of the parallelogram which passes through the point of intersection of the forces"
- 1. The vertical reaction at the support A of the structure shown in below figure, is
Options- A. 1 t
- B. 2 t
- C. 3 t
- D. 2.5 t. Discuss
- 2. Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is
Options- A. 20 kg
- B. 25 kg
- C. 30 kg
- D. 35 kg
- E. 40 kg. Discuss
- 3. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is
Options- A. 50%
- B. 40%
- C. 55%
- D. 30%. Discuss
- 4. The locus of the instantaneous centre of a moving rigid body, is
Options- A. straight line
- B. involute
- C. centroid
- D. spiral. Discuss
- 5. If the gravitational accelerational at any place is doubled, the weight of a body, will
Options- A. be reduced to half
- B. be doubled
- C. not be affected
- D. none of these. Discuss
- 6. Engineer's units of force, is
Options- A. Newton in absolute units
- B. Dyne in absolute units
- C. Newton and dyne in absolute units
- D. All the above. Discuss
- 7. To attain the synchronous orbit, the launch of a satellite, is done from a place
Options- A. on equator
- B. on 30° latitude
- C. on 45° latitude
- D. on 60° latitude
- E. on the poles. Discuss
- 8. The tension in a cable supporting a lift
Options- A. is more when the lift is moving downwards
- B. is less when the lift is moving upwards
- C. remains constant whether its moves downwards or upwards
- D. is less when the lift is moving downwards. Discuss
- 9. The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called
Options- A. angle of repose
- B. angle of friction
- C. angle of inclination
- D. none of these. Discuss
- 10. The Law of Polygon of Forces states that
Options- A. if a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium
- B. if forces acting on a point can be represented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon
- C. if forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
- D. if forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium. Discuss
Applied Mechanics problems
Search Results
Correct Answer: 3 t
Correct Answer: 25 kg
Correct Answer: 40%
Correct Answer: centroid
Correct Answer: be doubled
Correct Answer: Newton in absolute units
Correct Answer: on equator
Correct Answer: is less when the lift is moving downwards.
Correct Answer: angle of repose
Correct Answer: if forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.