Answer:
Image 3
Explanation:
Both chains hold 1/2 of the weight of the block. (its the most "decent" answer)
73.5 N
W = PE = mgh = 2.5 * 9.8 * 3.0 = 73.5 N
perdón yo no hablo inglés
7 Steps of the Scientific Method
Make an observation.
Conduct research.
Form hypothesis.
Test hypothesis.
Record data.
Draw conclusion.
Replicate. Communicate results