Physics, 21.03.2020 10:14 blackboy21
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?
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Answers: 3
Physics, 22.06.2019 12:00
This is for my 8th grade science class, i really don’t understand. can someone me? , lol.
Answers: 1
Physics, 23.06.2019 01:30
At what time would the magnitude of the velocity reach 36.00 km/hr
Answers: 2
Physics, 23.06.2019 07:40
Consider lifting a box of mass m to a height h using two different methods: lifting the box directly or lifting the box using a pulley (as in the previous part). what is wd/wp, the ratio of the work done lifting the box directly to the work done lifting the box with a pulley?
Answers: 2
A pulley block and tackle is used to lift a piano. The piano weighs 2000N. If the worker used 100 N...
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