21 (Investigation 3): The student is instructed to use spring scales to measure forces applied to the ends of a meter stick that is supported by a fulcrum at the 20 cm mark.
(The student; is instructed; to use spring scales to measure forces) (The student; to use; spring scales; to measure forces) (forces; applied; to the ends of a meter stick) (a meter stick; is supported; by a fulcrum at the 20 cm mark)
The student The student forces a meter stick
is instructed to use applied is supported
to use spring scales to measure forces
spring scales to measure forces
to the ends of a meter stick
by a fulcrum at the 20 cm mark