distance scale
force scale
mass scale
time scale
Answer is Wrong!
Answer is Right!
The correct answer is A. distance scale.
The pole distance is the distance between the two poles of a magnet. It is measured in meters or centimeters.
A force scale is a device used to measure the force of an object. It is measured in Newtons.
A mass scale is a device used to measure the mass of an object. It is measured in kilograms.
A time scale is a device used to measure the time of an event. It is measured in seconds.