Discussion
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- Question
If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is
Options- A. P + Q
- B. P/Q
- C. Q/P
- D. P - Q
- E. Q - P.
- Correct Answer
- P - Q
- 1. Effect of a force on a body depends upon its
Options- A. direction
- B. magnitude
- C. position
- D. all the above. Discuss
- 2. Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is
Options- A. 2 sec
- B. 3 sec
- C. 4 sec
- D. 5 sec
- E. 6 sec. Discuss
- 3. One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is
Options- A. 102.5 kg
- B. 105.5 kg
- C. 108.5 kg
- D. 110 kg. Discuss
- 4. Pick up the cohesive soil from the following:
Options- A. Red earth
- B. Clay
- C. Black cotton soil
- D. Compacted ground. Discuss
- 5. Sedimentation analysis is based on the assumption:
Options- A. soil particles are spherical
- B. particles settle independent of other particles
- C. walls of the jar do not affect the settlement .
- D. all the above. Discuss
- 6. The distance of the c.g. of a semi-circular arc of radius r from its diameter along the radius of symmetry, is
Options- A.
- B.
- C.
- D.
Discuss
- 7. The characteristic of a couple, is :
Options- A. algebraic sum of forces, constituting a couple is zero
- B. algebraic sum of moments of forces, constituting a couple, about any poin, is same
- C. a couple can be balanced only by a couple but of opposite sense
- D. a couple can be never the balanced by a single force
- E. all the above. Discuss
- 8. A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length
Options- A. must be decreased
- B. must be increased
- C. is not changed but weight of the bob is increased
- D. is not changed but weight of the bob is decreased
- E. none of these. Discuss
- 9. The resultant of the forces acting on a body will be zero if the body
Options- A. rotates
- B. moves with variable velocity in a straight line
- C. moves along a curved path
- D. does not move at all. Discuss
- 10. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,
Options- A. dip of the cable increases
- B. length of the cable increases
- C. dip of the cable decreases
- D. none of the these. Discuss
Applied Mechanics problems
Search Results
Correct Answer: all the above.
Correct Answer: 4 sec
Correct Answer: 102.5 kg
Correct Answer: Black cotton soil
Correct Answer: all the above.
Correct Answer:
Correct Answer: all the above.
Correct Answer: must be increased
Correct Answer: does not move at all.
Correct Answer: dip of the cable decreases
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