Answer:
work done = force x distance
Explanation:
F = 23 N
D = 2m
W = 23 * 2 = 46 J
Positive - Friction allows us to create heat in a desperate situation, like being lost in the woods. If we didn't have friction, we would probably freeze to death.
Negative - Friction can also cause unwanted fires, such as forest fires. If friction didn't exist, we wouldn't have these.
Answer: It's A
conduct smaller studies for more than a one-year period
