Checkpoint: stored energy and graphs
Two ideas from the last lessons. Retry any time.
A catapult band is pulled back and held still. Which energy does it have?
A steady force of 5 N acts over 4 m. What is the work, from the graph?
A force grows evenly from 0 to 4 N over 3 m. What is the work?
A box is pushed along a rough floor. Where does most of the work done against friction go?
0 of 4 answered