PURPOSE: To demonstrate power where it is clear that the instructor is working.
DESCRIPTION: Drag block with uniform speed and measure the force. Calculate the power from the force, the distance traveled, and the time elapsed.
REFERENCES: (PIRA unavailable.)
EQUIPMENT: 31 kG concrete block, carpet sample, nylon rope, 100 Newton scale and handle.
SETUP TIME: 5 min.
Go back to Lecture-Demonstration Home Page.