Work is being done in which of these situations? all motions are at a constant velocity (including velocity = zero).
a. jessica pushes a 25 kilogram cart a distance of 10 meters.
b. bane carries a 20 kilogram box a distance of 50 meters.
c.
a weightlifter holds a 100 kilogram barbell over his head.
d.
all is trying to push a truck away from the parking lot.
e.
yana carries a 5 kilogram bag a distance of 1 kilometer.
reset
next