Podcast
Questions and Answers
What is the relationship between the period of oscillation of a pendulum and the gravitational acceleration?
What is the relationship between the period of oscillation of a pendulum and the gravitational acceleration?
- Directly proportional
- Inversely proportional to the square root (correct)
- Inversely proportional
- Directly proportional to the square
What is the purpose of using the same pendulum at two locations?
What is the purpose of using the same pendulum at two locations?
- To measure the length of the pendulum
- To estimate the variation in gravitational acceleration at two locations (correct)
- To measure the gravitational acceleration at one location
- To calculate the constant of proportionality, k
What does the constant k describe in a spring system?
What does the constant k describe in a spring system?
- The mass of the object hung on the spring
- The gravitational acceleration
- The distribution of mass about the pivot point
- The stiffness of the spring (correct)
What is the proportionality between the stretch of the spring and the gravitational acceleration?
What is the proportionality between the stretch of the spring and the gravitational acceleration?
What is the accuracy required to achieve a precision of 0.001 mgal?
What is the accuracy required to achieve a precision of 0.001 mgal?
What is the purpose of instruments such as the LaCoste and Romberg gravimeter?
What is the purpose of instruments such as the LaCoste and Romberg gravimeter?
What is the precision of modern gravimeters?
What is the precision of modern gravimeters?
What is the relationship between the gravitational acceleration and the stretch of the spring?
What is the relationship between the gravitational acceleration and the stretch of the spring?
What is the unit of measurement for the precision of modern gravimeters?
What is the unit of measurement for the precision of modern gravimeters?
What is the purpose of the beam Instruments of this type?
What is the purpose of the beam Instruments of this type?