Students in a physical education class practiced rope climbing. students gripped a rope that hung from the ceiling and lifted themselves up the rope using only their arms. what must be measured to determine the power output of the climbers?
a) tension on the rope and the final height
b) body mass, final height, and the tension on the rope
c) tension on the rope and the time required to complete the climb
d) body mass, final height, and the time required to complete the climb