# Civil Engineering - Applied Mechanics

### Exercise :: Applied Mechanics - Section 1

16.

The beam shown in below figure is supported by a hinge at A and a roller at B. The reaction RA of the hinged support A of the beam, is A. 10.8 t B. 10.6 t C. 10.4 t D. 10.2 t.

Explanation:

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17.

The product of mass and velocity of a moving a body, is called

 A. moment B. momentum C. power D. impulse.

Explanation:

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18.

Engineer's units of force, is

 A. Newton in absolute units B. Dyne in absolute units C. Newton and dyne in absolute units D. All the above.

Explanation:

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19.

Joule is the unit of

 A. work B. force C. power D. torque E. none of these.

Explanation:

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20.

The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is

 A. 188.5 m/sec B. 18.85 m/sec C. 1.885 m/sec D. 0.18845 m/sec.