extraneous
The term for this experimental method is called "free fall." It is used to study the motion of an object falling under the influence of gravity by observing how the ruler accelerates towards the ground.
The experimental term is "free fall experiment." This is used to study the acceleration due to gravity by measuring the time it takes for an object, such as a ruler, to fall freely from a certain height.
"The painter's brush dropped to the floor." (The painter is singular, the brush is singular.)"The painters' brush dropped to the floor." (The painters is plural, the brush is still singular.)"The painters' brushes dropped to the floor." (The painters is plural, the brushes is plural.)
The ball is on the floor because it was dropped or fell down.
The best tool for measuring to play floor hokey centimeter, ruler, yardstick, string or inch ruler
"Dropped." When looking for a verb, look for the action.
I Use A Ruler For Measuring The Distance Between Blocks In A Wall Or Floor
a ruler is called "Fürst"
An architect's ruler is an alternative term for a scale ruler, a triangular ruler marked with a range of calibrated scales for drawing and measuring such things as blueprints and floor plans.
She dropped her pencil on the floor
That person is a litter-lout, who is littering by dropping rubbish on the floor.
A ruler is called 'une règle' (fem.) in French.