Agricultural Power and Energy Flashcards
System of units
(1) US Customary Unit or English Unit
(2) Metric or SI Unit
movement from one place to another
displacement
number of unit squares equal in measure to the surface
area
degree of hotness or coldness of an object
temperature
amount of space occupied by a three-dimensional figure
volume
force of gravity acting on a body
weight
action which causes or tends to cause motion or a change of motion of an object; it has direction of action, magnitude, and point of application must be known
force
amount of force or thrust exerted over a given area
pressure
measure of an interval or duration
time
time rate of movement
velocity or speed
rate of doing work
power
application of a force through a lever arm; causes of trends to cause a twisting or rotary movement
torque
unit of power commonly used in the farm to indicate the work output of humans, draft animals, and mechanical prime movers
horsepower
generally refers to stationary mechanical devices such as irrigation pumps, threshers, grinders
agricultural equipment
which is not an objective of mechanization?
a. reduce drudgery of farm works
b. increase the productivity of farm workers
c. increase the timeliness and quantity of farm work.
c. increase the timeliness and quantity of farm work.
(increase the timeliness and quality of farm work)