Physics Unit Quiz: Field Theory

What is a field in the context of field theory?

• A region that only affects magnetic objects

• A region with no influence

• An invisible region of influence

• A visible region of influence

Which of the following is NOT a type of field discussed in the text?

• Thermal field

• Magnetic field

• Electric field

• Gravitational field

What does a lower concentration of field lines indicate in a field diagram?

• A stronger field

• A magnetic field

• A weaker field

• No field

What is the gravitational constant (big G) value?

• 6.67 x 10^11 N m^2/kg^2

• 6.67 x 10^-11 N m^2/kg^2

• 9.8 N/kg

• 5.98 x 10^24 kg

What is the test object in a gravitational field scenario?

• A compass

• A magnet

• Anything with a mass

• Anything with a charge

What happens to the gravitational field strength if the mass of the object increases?

• It increases

• It decreases

• It remains the same

• It becomes zero

What is the unit of gravitational field strength (little g)?

• Meter per second squared

• Newton

• Newton per kilogram

• Kilogram

What is the shape of the graph for gravitational field strength versus distance from the center of an object?

• Exponential decrease

• Exponential increase

• Linear decrease

• Linear increase

What is the mass of the Earth as given in the data booklet?

• 6.67 x 10^-11 N m^2/kg^2

• 9.8 N/kg

• 5.98 x 10^24 kilograms

• 6.37 x 10^6 meters

What is the gravitational field strength at Earth's surface?

• 6.67 x 10^-11 N m^2/kg^2

• 6.37 x 10^6 meters

• 5.98 x 10^24 kilograms

• 9.8 N/kg