Discussion
Home ‣ Civil Engineering ‣ Applied Mechanics Comments
- Question
The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be
Options- A.
- B.
- C.
- D.
- Correct Answer
-
- 1. The velocity ratio of the differential wheel and axle is
Options- A.
- B.
- C.
- D.
Discuss
- 2. For maximum range of a projectile, the angle of projection should be
Options- A. 30°
- B. 45°
- C. 60°
- D. none of these. Discuss
- 3. For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is
Options- A. 60%
- B. 65%
- C. 70%
- D. 75%. Discuss
- 4. The velocity of a moving body, is
Options- A. a vector quantity
- B. a scalar quantity
- C. a scalar as well as a vector quantity
- D. none of these. Discuss
- 5. A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is
Options- A. 70 m/sec.
- B. 75 m/sec.
- C. 80 m/sec.
- D. 85 m/sec.
- E. 90 m/sec. Discuss
- 6. The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
Options- A. weight
- B. mass
- C. interia
- D. momentum. Discuss
- 7. A pilot flies a small plane in a vertical loop of radius r. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is g, the speed of the plane at the top of its trajectory would be
Options- A. zero
- B. infinite
- C. gr
- D. 2gr. Discuss
- 8. According to Law of Triangle of Forces
Options- A. three forces acting at a point, can be rep-resented by the sides of a triangle, each side being in proportion to the force
- B. three forces acting along the sides of a triangle are always in equilibrium
- C. if three forces acting on a, point can be represented.in magnitude and direction, by the sides of a triangle taken in order, these will be in equilibrium
- D. if three forces acting at a point are in equilibrium each force is proportional to the sine of the angle between the other two
- E. if the forces acting on a particle be represented in magnitude and direction by the two sides of a triangle taken in order, their resultant will be represented in magnitude and direction by the third side of the triangle, taken in opposite order. Discuss
- 9. A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is
Options- A. 40 sec
- B. 30 sec
- C. 20 sec
- D. 15 sec
- E. 10 sec. Discuss
- 10. Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
Options- A. is directly proportional to their velocity of approach
- B. is inversely proportional to their velocity of approach
- C. bears a constant ratio to their velocity of approach
- D. is equal to the sum of their velocities of approach. Discuss
Applied Mechanics problems
Search Results
Correct Answer:
Correct Answer: 45°
Correct Answer: 75%.
Correct Answer: a vector quantity
Correct Answer: 90 m/sec.
Correct Answer: interia
Correct Answer: gr
Correct Answer: if the forces acting on a particle be represented in magnitude and direction by the two sides of a triangle taken in order, their resultant will be represented in magnitude and direction by the third side of the triangle, taken in opposite order.
Correct Answer: 20 sec
Correct Answer: bears a constant ratio to their velocity of approach
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.