Questions
1
The acceleration of the particle moving with simple harmonic motion is inversely proportional to the displacement of the particle from the mean position.
Answer: False
2
In order to double the period of a simple pendulum, the length of the string should be
Answer: quadrupled
3
The equivalent length of simple pendulum depends upon the distance between the point of the suspension and the center of gravity.
Answer: True
4
Which of the following statement is correct?
Answer: The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation.
5
The periodic time of a compound pendulum is …….. when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.
Answer: minimum
6
In a simple harmonic motion, the velocity vector with respect to displacement vector
Answer: lags by 90°
7
The distance between the center of suspension and center of percussion is equal to the equivalent length of a simple pendulum.
Answer: True
8
The center of suspension and center of percussion are not interchangeable.
Answer: False
9
When the body is suspended at the point of suspension, its periodic time and frequency will be _____________ as compared to the body suspended at the point of percussion.
Answer: same
10
Bifilar suspension method is used to find the
Answer: moment of inertia of the body
