Applied Mechanics Online Test – Multiple Choice Questions and Answers

1. The angle of friction is :

 
 
 
 

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

 
 
 
 

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. 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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Power can be expressed as

 
 
 
 

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

 
 
 
 

10. 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

 
 
 
 

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