The least amount of energy needed to produce forced vibrations in an object occurs

A. at its natural frequency.
B. below its natural frequency.
C. above its natural frequency.
D. none of the above


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

Why do geologists sometimes change the absolute ages of the boundaries in the geologic time scale?

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following enzymes is associated with the removal of a C2 fragment from the fatty acid?

A) acyl CoA dehydrogenase B) carnitine C) hydroxyacyldehydrogenase D) thiolase

Environmental & Atmospheric Sciences

The Indus and Ganges river plains hold a major part of what world population cluster?

A) South Asia B) East Asia C) Europe D) Southeast Asia

Environmental & Atmospheric Sciences

How did the debris from the Gros Ventre Landslide of 1925 lead to another disaster in the same region in 1927?

A) Loose debris resulted in a mudflow. B) The mass movement of sediment contaminated drinking water. C) The debris blocked the river, creating a lake that later burst. D) The debris mixed with river water to create a lahar.

Environmental & Atmospheric Sciences