Question

Each supporting strand of a block and tackle increases the effort force by ___________.

4
2
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1

Answer 1

Answer: 1

Each supporting strand of a block and tackle increases the input force by one-half. A single fixed pulley changes the effort force in direction. The IMA of the wheel can be increased by increasing the size of the wheel. The IMA of the wheel can be increased by decreasing the size of the axle.

Step-by-step explanation:

please brain list. If I´m wrong. well sorry