Vibration of an object about an equilibrium point is called simple harmonic motion when the restoring force is proportional to
A. time
B. displacement
C. A spring constant
D. mass
Ans: B. displacement
You might also like to view...
The electric field in the region defined by the y-z plane and the negative x axis is given by E = ?ax, where a is a constant. (There is no field for positive values of x.) As ?x increases in magnitude, relative to V = 0 at the origin, the electric potential in the region defined above is
a. a decreasing function proportional to ?|x2|. b. a decreasing function proportional to ?|x|. c. constant. d. an increasing function proportional to +|x|. e. an increasing function proportional to +|x2|.
Beam ACB has a pin support at A and is supported at C by a steel column with a square cross section (E 5 190 GPa, b 5 42 mm) and height L 5 5.25 m. The column is pinned at C and fixed at D. The column must resist a load Q at B with a factor of safety of 2.0 with respect to the critical load. The maximum permissible value of Q is approximately:
(A) 3.0 kN
(B) 6.0 kN
(C) 9.4 kN
(D) 10.1 kN
Calculate the slopes for the A, C, and E portions of the figure. Rank the slopes from least to greatest
Because more massive stars have more gravitational energy, they can fuse heavier nuclear fuels
Indicate whether the statement is true or false