A pulley block and tackle is used to lift a piano. The piano weighs 2000N. If the worker used 100 N of force to lift the piano,
what is the mechanical advantage of the block and tackle?
.2
.1
10
20
1 answer:
You might be interested in
Answer:
ill get back to this question once i get the answer
Answer:
The starting velocity for ball 1 is 1.00 meter/second. Its ending velocity is 0.25 meter/second.
The change in velocity for ball 1 is 0.25 – 1.00 = -0.75 meter/seconds
Answer:
pluto
Explanation:
i had the same question
C. Lithosphere, I believe is correct