The big pulley is 54cm long and the small pulley is 36cm if the big pulley turns 30 times
| January 1, 2021 | education
The big pulley is 54cm long and the small pulley is 36cm if the big pulley turns 30 times, how many times the small pulley turns.
How many times the size of the pulleys is larger, how many times will the rotation speed be greater, then:
30 / (54/36) = 30 / (3/2) = 20
Answer: 20 times
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
