Applied Mechanics Online Test – Multiple Choice Questions and Answers

1. 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

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

3. Power can be expressed as

4. 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

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

6. The angle of friction is :

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

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

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

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