9 Questions
What is the main cause of instrument drift in gravimeters?
Changes in the response of the gravimeter over time
What is the precision of modern gravimeters in measuring changes in the Earth's gravitational acceleration?
1 part in 1000 million
Which of the following is an example of a spatial based variation?
Changes in the Earth's gravitational acceleration
What is the unit of measurement for gravitational acceleration?
cm/sec²
What is the main cause of tidal effects in gravimeters?
Gravitational attraction of the sun and moon
What is the purpose of a gravimeter?
To measure the Earth's gravitational acceleration
Which of the following manufacturers produces beam Instruments?
All of the above
What is the accuracy required for gravitational acceleration measurements?
0.1 mgal
What is the main advantage of modern gravimeters?
Capability to measure changes in gravitational acceleration with high precision
Learn about the factors that affect the gravitational acceleration on Earth, including latitude, elevation, and slab effects. Test your knowledge of these variations and their causes.
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