Applied Mechanics Online Test – Multiple Choice Questions and Answers

1. A 50 kg boy climbs up a 8 m rope in gymnasiam in 10 sec. The average power developed by the boy is approximately

 
 
 
 

2. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature

 
 
 
 

3. If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along

 
 
 
 

4. The shape of a suspended cable under its own weight, is

 
 
 
 

5. The following is not a law of static friction :

 
 
 
 

6. If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

 
 
 
 

7. A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be

 
 
 
 

8. The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is

 
 
 
 

9. The angle of friction is :

 
 
 
 

10. Power can be expressed as

 
 
 
 

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